4 Anodized Grenade Valve Stem Cap Kit/Set For Rim/Wheels/Tires Black Q1 for Arctic Cat Prowler 550 Measures in at 1.57" height, 2.16" round! Designed to fit all standard sized valve stems! Will not rust, light weight! Handle for grenade made from durable plastic in gold finish! Body of the grenade anodized for a long lasting permanent color!