Kotans NBR JG1956 Metal Seal Ring Set Bronze

MATERIAL: High quanlity NBR ring with carbon steel, good sealing. Anti static, high pressure resistant, oil resistant, corrosion resistant, UV resistant, heat resistant, wear resistant, durable and long service life. Quantity: 12 Sizes,240 Pieces rubber metal combination O Ring gaskets, meet almost all your needs. EASY TO USE PACKING: All O-rings are stored in a sturdy plastic box with labels, that avoids the trouble of sorting and selecting the size. Variety of thickness and size are all in one box, very convenient to use. INTERNAL DIAMETER: 6(6mm), 8(8mm), 10(10mm), 12(12mm), 14(14mm), 16(16mm), 18(18mm), 20(20mm), 22(22mm), 24(24mm), 27(27mm), 30(30mm). Metric, Please See Picture 2 for Specific Dimensional Size International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.