Checked for all parts, Do not see Allen key. Replacing your leaky worn-out handles is an inexpensive alternative to buying an entire faucet fixture. New handles help restore faucets to like new condition. The durable construction will provide reliability and performance for your everyday use. Direct replacement for original handle Replaces American Standard Delta and Pfister faucets Replacement lever handle for lavatory and tub/shower Chrome finish 1-1/2 in. overall height Metal construction