This set screw is made of , which can withstand use. Features the stainless steel material, which has high durability, not easy to deform. Fine workmanship, practicality. This set screw will make the repair and fix easier and smoother. Features -Color:Silver -Material:Stainless steel -Size:0.80X0.80X0.80cm/0.31X0.31X0.31in - Made of stainless steel, case hardened to extend its life and product hardness. - Professionally ground to reduce the possibility of slippage, increase load capacity, and improve torque resistance and transmission. - The appearance of the screw is flat, the thread is clear, no burrs, no scratches for you to use rest assured. - Widely used in all aspects of engineering, product design and repair applications. - Chic in look, simple in design and practical in use, give you a pleasant using experience. Package list: M8x8 screws M6x10 screws 80 x M4x5 screws 80 x M4x6 screws M5x5 screws M5x8 screws M6x6 screws 120 x M3x3 screws 80 x M3x4 screws 80 x M3x5 screws 80 x M3x6 screws 80 x M4x4 screws 10