Set Squares (Plastic) Tri-square/set square/speed square: 7" plastic set square in red, green, grey, yellow, Set Squares (Plastic)Features:1) 7" set square with the color of red, green, grey, yellow,can also be with level vial2) Type A with level vial3) Scales: permanent4)Packing: bulk or suck-card packing, can be changed to meet the customer's requirements Set Squares (Plastic)