LeveLok Ladder  Permanet Mount Style Leveler (LL-STB-1AL)
LeveLok's Permanent Mount System: Levelers are sold in pairs. These work well for individuals or companies who want a leveling system to become their ladders permanent, adjustable ladder feet. Each leveler leg has 3 treaded studs (5/16"dia.). Pre-installed on the back of the outer leveler leg. It takes about 15 minutes to install the pair.Fit most ladders up to 375lb Duty Rated. Extend 9-1/2" in 3/16" increments. Aircraft aluminum, stainless steel ratchets system & automatic, back-up safety lock. New shoe w/high grip rubber, nail-down holes & "all-position" locking claw. Meets OSHA/ANSI Standards.