MetalTech 4 in. x 15.75 in. x 0.2 in. (Assembled) Steel Locking Arm for Stacking Standard Mason/Arch Scaffold

MetalTech 13 in. locking arm is a safety device used for stacking both standard mason and arch frames. The locking arms are attached to the locking pins of both the upper and lower scaffold frames that have 4 ft. pin spacing when stacked. Rugged steel design with blue powder coat finish for protection against the environment.|Locking devices are mandatory when stacking frames, use with standard or arched scaffold frames (4 ft. pin spacing)|Durable and rugged steel construction|Distance between the bolt holes is 13 in.|Blue powder coat for corrosion protection|Exceeds OSHA requirements