aiqinhaimaoyi 250PCS/box NBR Seal Ring Kit Nitrile Rubber NBR O-Ring Gasket Sealing O Ring

250PCS Nitrile Rubber O-Ring Gasket Rubber Seal Rings Kit Set. Package includes: 30pcs 1#, 30pcs 2#, 30pcs 3#, 30pcs 4#, 30pcs 5#, 20pcs 6#, 20pcs 7#, 20pcs 8#, 20pcs 9#, 20pcs 10#. Color: black. Size: 1 4x1mm), 2 5x1mm), 3 6x1mm), 4 7x1mm), 5 8x1mm), 6 5x1.5mm), 7 6x1.5mm), 8 7x1.5mm), 9 8x1.5mm), 1010x1.5mm. 250PCS Nitrile Rubber O-Ring Gasket Rubber Seal Rings Kit Set. Package includes: 30pcs 1#, 30pcs 2#, 30pcs 3#, 30pcs 4#, 30pcs 5#, 20pcs 6#, 20pcs 7#, 20pcs 8#, 20pcs 9#, 20pcs 10#. Color: black. Size: 1 4x1mm), 2 5x1mm), 3 6x1mm), 4 7x1mm), 5 8x1mm), 6 5x1.5mm), 7 6x1.5mm), 8 7x1.5mm), 9 8x1.5mm), 1010x1.5mm