Features 1、DURABLE ABS: Adopt excellent ABS material, strong and durable, wear resistant, drop resistant and corrosion resistant 2、EASY TO OPERATE: Place the square on the corner of the two materials that need to be leveled and fixed, and fix with a set of clamps 3、BEVELED WITHOUT DAMAGE: Adopt beveled edge design for easy handling without damaging delicate cutting edges 4、WIDE APPLICATION: This woodworking right angle jig set can be used to fasten and assemble furniture cabinets, picture frames, cabinets, boxes. Fits square shelf cabinets and keeps a square when assembling cabinets, frames, etc. 5、WITH FITTINGS: Range is 120mm(4-1/2in), equipped with screws, limit blocks, nuts, easy for you to install and use Specification Item Type: 90 Degree Positioning Squares Material: ABS Range: 120mm (4-1/2in) Package List 1 x 90 Degree Positioning Squares 4 x Screw 4 x Limit Block 4 x Nut