Features [Sturdy and durable] The flat washer is wear-resistant, corrosion-resistant and has a long service life. [Easy to carry] All gaskets are sorted and packed in plastic boxes, which are easy to carry and use. [Various sizes] 8 sizes of flat washers are provided to meet your different requirements. [High strength] The brass washer has high strength and does not deform under high pressure. [High-quality material] The flat washer kit is made of high-quality brass with high hardness and good durability. Specification: Material: Brass Quantity: 180pcs Color: Yellow Package Weight: Approx. 102g/3.6oz   Package list: 30 x M2*5*0.4 30 x M2.5*5*0.4 30 x M3*7*0.5 30 x M 4*9*0.8 20 x M5*10*1 20 x M6*12*1.0 10 x M8*16*1.2 10 x M10*20*1.2   Note:   Due to the difference between monitors and light effect, the pictures may not reflect  the actual color of the item. Package List