The Surflogic Key Lock Premium is a safe way to lock your keys while you go on the water. Secure metal construction and water resistant Foam backing and coated shackle to protect car surface Easy to secure anywhere 4 digit code: (10.000 combinations) Protective cover Includes a key fob blocking pouch Colour: black External lock size Width: 79 mm / 3.11” Length: 180 mm / 7.08” Height: 47 mm / 1.85” Weight: 620 g Internal compartment size Width: 69 mm / 2.70” Length: 100 mm / 3.94” Height: 30 mm / 1.18”