225 Pcs 6 Sizes Kit Air Conditioning HNBR O Rings Car Auto Vehicle Repair ToolKit

Assortment O-Rings with convenient resealable plastic case Total 6 most popular used O-ring Sizes Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile (HSN) is special class of nitrile rubber (NBR) and is for mission critical applications HNBR can be formulated to meet application temperatures ranging between -45 degrees C and 165 degrees C, and HNBR is classified by ASTM as DH-type polymer Material: Rubber Housing color: Black Size types: 6 sizes (as picture show) 20pcs 3 x 1mm 20pcs 4 x 1mm 20pcs 4.5 x 2mm 20pcs 5 x 2mm 20pcs 6 x 2mm 20pcs 6 x 2.5mm 20pcs 6 x 3mm 20pcs 7 x 2mm 20pcs 8 x 2mm 5pcs 9 x 2mm 5pcs 10 x 2mm 5pcs 12 x 3mm 5pcs 13 x 3mm 5pcs 14 x 2.5mm 5pcs 17 x 2.5mm 5pcs 18 x 4mm 5pcs 20 x 2mm 5pcs 22 x 2mm