THIS HANDY LITTLE BRACKET CAN BE NAILED TO A TREE, BOARD, ETC. OR WELDED ON A STAKE OR LAG BOLT. WHEN NAILING TO WOOD, JUST BEND THE FLANGE DOWN WITH A PLIERS AND YOU HAVE TWO HOLES TO NAIL THROUGH. DOZENS OF USES. FOR 110, 120, 160, AND 220 BODY GRIPS.