Details
Mastercool (91339) HNBR O-Ring Assortment

AUTOMOTIVE R12 & R134a o-ring assortment
270 PIECES with 18 different sizes for a variety of applications
HNBR (HYDROGENATED NITRIC BUTADIENE) rubber material provides durability and ease of use while being refrigerant and oil resistant
SUPERIOR SEALING to prevent unwanted leaks
O-RINGS ARE ORGANIZED in 18 different compartments and packaged in a plastic box
The Kit includes 7/32" x 1/6" (5.29 x 1.78 mm) (25 pieces), 5/16" x 1/16" (7.65 x 1.78 mm) (20 pieces), 8 x 2 mm (20 pieces), 7/16" x 1/16" (10.82 x 1.78 mm) (15 pieces), 11 x 2 mm (15 pieces), 13.9 x 1.8 mm (10 pieces), 14 x 2 mm (10 pieces), 17 x 2 (10 pieces), 11/16" x 1/8" (17.04 x 3.53 mm) (10 pieces), 1/4" x 1/16" (6.07 x 1.78 mm) (20 pieces), 6.8 x 1.9 mm (20 pieces), 7.8 x 1.9 mm (20 pieces), 8.8 x 1.9 mm (20 pieces), 7/16" x 3/32" (10.77 x 2.62 mm) (15 pieces), 12 x 2 mm (15 pieces), 9/16" x 3/32" (13.95 x 2.62 mm) (10 pieces), 15 x 2 (10 pieces), and 11/16" x 1/16" (17.17 x 1.78 mm) (10 pieces).