ULR-TT875STD 7/8" thumb turn lock in bright nickel finish, conveniently packaged with the necessary parts to perform all locking functions! Thumb turn locks have threaded shells and come staked to a 90° rotation. Just apply the cam accordingly for any clockwise or counter-clockwise rotation. A spur washer is included for wood installation. Thumb turn locks are furnished with the following: Hex Nut, Sem Screw, Straight Cam 1-1/4”, Offset Cam 1-1/8” x 1/4” offset, Super Washer, 1/8” Cylinder Ring.