Protection during high heat applications (400°) and are. LOOK AT WHAT SIZES THE KIT INCLUDES! Contents180 O-rings, storage case. A116 18.72mm.A210 18.64mm.A211 20.22mm. A111 10.77mm.A112 12.37mm.A113 13.95mm.A114 15.54mm.A115 17.12mm.

Manufacturer Part Number: 180 PIECE SET
Warranty: Yes