LM-SBVL SETTABLE BALL VALVE LOCKOUTThis valve lockout is constructed from tough nylon and stainless steel to avoid corrosion. It is used for precise Locking & closing opening of the ball valves of various sizes and makes. Designed to lock out quarter turn valves of varying sizes and geometric handle dimensions ( round, square or flat ) up to 1 1 4 thick x 1 5 8 wide and various lengths. Valves can also be locked in the ON or Throttled positions for non lock out applications.