Features 1、100% brand new and high quality. 2、Made of premium material, these washers have good insulation performance. 3、There are many different sizes in this set that can meet your various needs. 4、Each set contains many washers that can be used for a long time, so you don't have to run to store looking for washers for quite a while. 5、All washers are well packed in a plastic box for convenient storage. Specification Features: 100% brand new and high quality. Made of premium material, these washers have good insulation performance. There are many different sizes in this set that can meet your various needs. Each set contains many washers that can be used for a long time, so you don't have to run to store looking for washers for quite a while. All washers are well packed in a plastic box for convenient storage. Specification: Material: Red steel paper Size(outer dia.*inner dia.*thickness) & Quantity: 10*5.5*0.8mm 160pcs 12*6.5*0.8mm 100pcs 16*8*0.8mm 60pcs 16*10*0.8mm 80pcs 19*12*0.8mm 40pcs 20*12*0.8mm 40pcs 22.5*14*0.8mm 20pcs 22*16*0.8mm 30pcs 25.4*17.5*0.8mm 15pcs 27*20*0.8mm 20pcs 32*22*0.8mm 20pcs 32*24*0.8mm 15pcs Weight: 180g / 6.3oz (approx.) Package list: 1 box * Washers Package List