The GearWrench 4 Piece Metric Jumbo Flat Gearwrench Set features an off-corner loading design on box end that provides better grip and reduces fastener rounding.Features 72 tooth ratcheting box end needs a minimal 5° to move fasteners vs. 30° for standard wrenches Pass-thru® technology works down any length of threaded rod and long bolts Thin head and beam provide greater access in confined work areas Size conveniently stamped on both ends of the beam for quick identification Manufactured from alloy steel for better strength and longer tool life Bright, full polish chrome finish wipes easily clean to resist rust and corrosion Meets or exceeds ASME and ANSI specifications Plastic tray included for tool retention and storage Specifications 21mm 12 Point Ratcheting Combination Wrench 22mm 12 Point Ratcheting Combination Wrench 24mm 12 Point Ratcheting Combination Wrench 25mm 12 Point Ratcheting Combination Wrench Type: Metric Quantity: 4 Piece