Quantity: One set(4 caps + 1 wrench) Size: Caps: 1/2 in. long; wrench: 2 in. long Color: Chrome silver Material: Stainless steel alloy Type: Tire valve stem  Package included: 4 caps + 1 wrench Features: Material: Chrome metal material 4 PCS valve caps, 4pcs screws and one Wrench Easy install,Only screws onto tire valve stem.