This pivot-style L-Arm assembly from Miller Industries is designed for theCentury Formula 6500 wheel lift. This kit fits 3-1/2 square crossbars andincludes black painted steel crosstubes and alloy L-Arms for each side. Theswivel arm is held in place with a removeable pin, and each L-Arm is securedwith a separate underneath pin and spring plunger. Also known as a tirerestraint or wheel retainer, this L-Arm with a scoop-style tire pan offers a4,000-lb. weight rating as a pair. This assembly can be upfitted to a 6,000-lb.rating with the 12-0904186 & 12-0904187 steel L-arms. Designed for pivot-style wheel lifts Fits 3-1/2″ x 3-1/2″ crossbars 4,000-lb. capacity Kit Includes: (2) Black painted steel crosstubes (left and right) (2) Aluminum scoop L-Arms (left and right) Plunger and locating pin Fits: Century Formula 6500 Wheel Lift