Ball End L-Wrenches Ball End inserts into a screw at a 25 angle. Ball End saves time by quickly funnelling tool into screw. 25 angle allows natural hand and wrist movement. Superior Ball End strength and working angle Works in hard to reach places. Imperial Pieces 13 Range - 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8"