Armstrong Armstrong 28-900 7 Piece 12 Point Full Polish Reversible Ratcheting Combination Wrench Set Ratcheting Box End with Reversing Lever Speeds the Removal / Installation of Fasteners Ratcheting Box End Incorporates a 72 Tooth Precision Machined Gear for a 5Degree Swing Arc Ratcheting Box End is Offset 12Degree for Clearing Obstructions and Knuckle Clearance on Flat Surfaces Enclosed Ratcheting Box End Adds Strength By Reducing Dirt and Debris Infiltration Thin Walled, Low Profile Ratcheting Box End Allows Easier Access to Confined Fasteners