4 Anodized Grenade Valve Stem Cap Kit/Set For Rim/Wheels/Tires P1 Black for Infiniti Q50 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 black finish! Body of the grenade anodized for a long lasting permanent color!