The aluminum angle Tower Handline Gin is 3' x 3" x .25" with analuminum-weld end-plate securing a bronze, free-swivel butt ring. Snatchblocks hooked into the butt ring keep handlines from dragging over thetower structure, giving clearance to tools in transit. Bronze mountinghooks of the Tower Gin are held in place with bronze wing nuts on platedsteel bolts. Hook adjustment will fit tower angle from 1.75" x 1.75" upto 6" x 6". Maximum load for the gin is 500 pounds.