HNBR O-rings resists various temperature changes and resists more chemicals than standard o-rings

• 20 pc 7/32 x 1/16 in., 20 pc 1/4 x 1/16 in.,
• 20 pc 6.8 x 1.9 mm, 20 pc 5/16 x 1/16 in.,
• 20 pc 7.8 x 1.9 mm, 20 pc 8 x 2 mm,
• 20 pc 8.8 x 1.9 mm, 15 pc 7/16 x 1/16 in.,
• 15 pc 7/16 x 3/32 in., 15 pc 11 x 2 mm, 15 pc 12 x 2mm, 10 pc 13.9 x 1.8 mm, 10 pc 9/16 x 3/32 in.,
• 10 pc 14 x 2 mm, 10 pc 15 x 2 mm, 10 pc 17 x 2 mm,
• 10 pc 11/16 x 1/16 in., 10 pc 11/16 x 1/8 in.