Black Cone Seat Acorn Bulge Closed End Wheel Locks (W2015LB-5) by West Coast®. Thread Size: M12 x 1.5. Overall Length: 1.38". Material: Steel. Quantity: Set of 5 Locks with Key (3/4" to 13/16" Hex). Package Type: Bag. The finest wheels deserve the finest protection! Chrome wheel locks are made from hardened steel that will give lasting durability and fashion for as long as you own them! Backed by lifetime guarantee, these lock are bullet-proof, and come in most types to fit most wheels.