MetalTech 1.5 in. x 3 in. Steel Pig Tail Coupler Locking Pin, Stacking Equipment for Mason and Arch Scaffolding Frame Set

MetalTech pig tail lock used for stacking both mason and arch scaffolding frames. No tools are necessary. Simply slide into the lower end of the scaffold frame and coupling pin to lock securely into place. High strength steel with a curved design to fit most standard tube sizes.