Tighten or loosen quickly with a flip of the reversing lever. 15 degree offset provides access and knuckle clearance. Surface Drive open end design - eliminates fastener rounding. Mirror chrome finish. Includes wrench rack that will hold 16 pieces Completer set for 9620 GearWrench Reversible Ratcheting Wrench Set. This 4 piece set includes sizes: 21mm, 22mm, 24mm, and 25mm. 16 piece rack provides extra storage for existing 8mm - 19mm GearWrench sizes.