Description
The adjustable T-square from the Kapro 317 series is an aid designed for precise marking and straight cuts in board, wood and interior construction. The sliding T-head allows the angle to be adjusted freely, and a clear screw lock holds the head in the selected position. The solution is particularly suited to situations where repeated markings are needed at the same angles or where you want to adjust the angle to suit the job.
The body is aluminium, and its double-edged blade is suitable both for measuring and as a straightedge for drawing cutting lines. The anodised surface supports the durability and feel of the measuring scale. The two-way printed scale (cm/in) makes working with mixed units easier and reduces the need for conversions on site.
The T-head has etched angle markings that let you find the most common angles quickly without external aids. The groove in the profile lets you start marking and cutting directly from the edge of the board without moving the T-square.
The “hands-free” ledge on the ABS end caps helps hold the T-square in place on the edge of the workpiece without separate pressing. This leaves your other hand free for the marking pencil or utility knife. The construction folds for transport and storage, which saves space and makes moving between sites easier.
The combination of an adjustable head, screw lock and two-way scale makes the tool a versatile solution both for straightforward 90° marking and for drawing sloping lines and repeated angles. The whole supports the common measuring and marking needs of drywall construction, joinery and interior installations.
Intended use:
- Drywall construction and board cutting Measuring, marking and drawing lines on plasterboard, gypsum fibreboard and plywood directly from the edge of the board. The sliding T-head and screw lock allow both a straight 90° line and specifically defined angles, for example for sloping boxings. The ledge holds the T-square firmly on the edge of the board, which makes long cutting lines easier to mark and repeat.
- Wood construction and marking furniture frames Marking studs, trims and furniture frames requires both vertical and horizontal lines and sometimes angles. The etched angle markings help with repeated angles, and the two-way cm/in scale speeds up work with mixed units. The double-edged blade also works as a safety straightedge when cutting with a knife.
- Flooring and carpet work Drawing straight cuts and angles on carpets, vinyls and laminates works well when the T-square rests on the edge of the piece on the ledge. The screw lock ensures that the angle does not change during marking, which improves the neatness of fits at thresholds and wall lines, for example.
- Electrical, HVAC and plumbing, and trunking When routing ducts, trunking and cover strips, the T-square is used to mark straight and sloping lines on boxings and walls. The groove in the profile makes it easier to start marking right next to the edge, and the folding construction travels with you unobtrusively when you move from one job to the next.
- Interior and finishing Aligning shelves, railings, curtain tracks and panelling. The sliding head and etched angle markings help when a wall or ceiling is not completely straight and small angle compensations are needed to make finishing smoother.
Features:
- Adjustable sliding T-head: Angle freely adjustable: allows both 90° markings and angled cuts without separate angle gauges.
- Screw lock: Locks the head at the required angle, preventing the angle from changing while marking long lines.
- Double-edged, rigid blade: Works both for measuring and as a straightedge: straight, long marking lines and clean cutting directions.
- Two-way scale (cm/in): Easier to read from both directions, reducing the need for unit conversion.
- Etched angle markings on the T-head: Give quick references to the most common angles, speeding up repeated markings.
- Ledge on the ABS end caps: Hands-free support against the edge of the workpiece: the T-square stays in place better while marking.
- Groove in the profile: Lets you start marking and cutting directly from the edge of the board, which speeds up work.
- Folding construction: Takes up less space in transport and storage, which makes moving between sites easier.
- Aluminium body, anodised surface: Even feel and a clear measuring scale: pleasant to use for repeated markings.
Kapro 317 T-square instructions for use:
- Preparation: Check that the T-head moves freely and the screw lock works. Wipe dust off the blade and T-head before use.
- Setting the angle: Loosen the screw lock, set the T-head to the required angle (or 90°) and tighten the lock firmly.
- Marking directly from the edge: Place the ledge on the edge of the workpiece. Press the T-square lightly in place and draw the line along the double edge.
- Marking a sloping line: Adjust the angle of the T-head. Lock it with the screw lock. Draw the line along the blade; make sure the angle does not change while you work.
- Repeated markings: Use the etched angle markings and the two-way scale for repeated angles and measurements.
- Maintenance and storage: Clean with a soft cloth. Avoid solvents that can affect the surface or the scale. Fold the body for storage and avoid leaving it under heavy objects.
Warnings:
- Avoid placing your fingers between the blade and the workpiece when drawing a line.
- Do not use near live wires without suitable precautions.
- Do not use with a damaged or loose lock: check the screw lock regularly.
- Keep out of reach of children.
Frequently asked questions (FAQ):
How do I stop the angle moving while marking?
Tighten the screw lock firmly before marking and make sure the contact surface of the T-head sits evenly against the workpiece. The ledge helps hold the T-square in place when drawing long lines.
Can I use the T-square with both cm and inch measurements?
Yes. The two-way scale has both centimetre and inch graduations, which makes working with mixed units easier.
How do I mark a line right at the edge of the board?
Use the groove in the profile: place the T-head on the edge and use the groove to guide the pencil or knife right next to the edge.
Is the T-square suitable as a cutting guide?
Yes, the double-edged blade works as a straightedge when cutting with a knife. Take care and keep your hand away from the cutting line.
Can the T-square be folded for transport?
Yes. The construction folds, which makes transport and storage easier.
Recycling instructions:
- Packaging: Cardboard and paper to carton collection. Plastic bags to plastic collection according to local guidance.
- Product: Aluminium and metal parts to metal waste. Plastic end caps to plastic collection where separate collection is available. Follow your municipality’s recycling instructions.

