1,The kit contains 90° positioning square, screw rods, adjustable fixed blocks and nuts, it is a very useful woodworking tool kit. 2,With a standard right angle, fixture fixing and angle detection are more accurate and fast. 3,Made of ABS and fiber engineering plastics, with light weight and high hardness, scratch resistance and corrosion resistance. 4,With metric and imperial scales, it has strong practicability and can be adapted to various sizes of woodworking DIY projects. 5,Used to clamp boxes, picture frames, cabinets and outer corners, etc., to assist in fixing during the gluing process. 2 x 90° Positioning Squares4 x M8 Right Angle Screw Rods4 x Adjustable Fixed Blocks4 x M8 Plastic Nuts Item Type: 90° Positioning SquareModel: B Type 2 SetsMaterial: ABS and fiber engineering plasticMeasurement Scale: Metric and imperialUses: Woodworking tools for making cabinets, picture frames, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.