Description Premium MaterialMade of aluminium alloy, it will lasts for years. Anodized red surface, durable and resistant to corrosion, rust prevention. L-Type DesignL-Type positioning square, with accurate metric/inch scale and different fixing holes, is convenient for you to measure length, position, etc. Easy To UseBeveled edges, Perfect 90 Corners, easy to handle and will not damage the fragile cutting edges, just place a square on the corner of the two stock pieces to square and secure with a set of clamps. Excellent ergonomic design for gripping power which can help to set up quickly, providing you a comfortable and safe using process. Wide ApplicationThis Carpentry right angle jig set designed to be clamped to boxes, picture frames, drawers,frames, shelf cabinets, 90 degree weld and for outside corners. Practical DIY tool to make your woodworking project easier. What You Get4* Positioning Squares and 8* Clamp Hooks