Features 1、Made with high density rubber material for good sealing effect. 2、Resistant to wear, corrosion and high temperature. 3、Come with different size of washers to meet your needs. 4、All gaskets are packed in a plastic box to keep them organized, clean and easy to find. 5、Suitable for tap, air cylinder, valve, pump, automobile, bearing and more. Specification Features: Made with high density rubber material for good sealing effect. Resistant to wear, corrosion and high temperature. Come with different size of washers to meet your needs. All gaskets are packed in a plastic box to keep them organized, clean and easy to find. Suitable for tap, air cylinder, valve, pump, automobile, bearing and more. Specification: Material: Rubber Quantity: 141pcs Package Weight: 166g (approx.) Package List: Size & Quantity: 4*16*4mm 10pcs 4*17*16mm 10pcs 8*14*4mm 5pcs 8.5*18*4mm 5pcs 9.5*17.5*4mm 5pcs 10.5*14*4mm 5pcs 12*24*2mm 10pcs 15*24*3mm 10pcs 10*13.7*1.8mm 10pcs 11.5*17.5*1.2mm 10pcs 17*21*1.2mm 10pcs 17*24*1.2mm 10pcs 20*25*1.2mm 10pcs 27*33*1.2mm 5pcs 12*17.5*2mm 10pcs 17*24*2mm 10pcs 27*38*2mm 3pcs 30*39*2mm 3pcs Package List