The Milwaukee Sae 28 Piece 3/8 In. Drive Ratchet & Socket Set Was Designed From The Ground Up to Offer Better Access In Tight Spaces and Maximum Tool Strength. The 90-Tooth Ratchet Tool Offers 4 Of Arc Swing and A Slim Profile Design, Allowing Work In Tighter Spaces. Innovative Socket Design Has Four Parallel Flats, Which Deter Rolling and Are Wrench-Compatible. Optimized Socket Geometry Helps Reduce Bolt Rounding and Stripping. Socket Sizes Are Stamped Into The Flats For Improved Easy-to-Read Visibility.