Product Description Wrench sizes: 8mm x 10mm 12mm x 13mm 16mm x 17mm 18mm x 19mm QuadBox™ design saves weight in your toolbox by combining 4 sizes on one wrench 72-tooth ratcheting box end needs a minimal 5° to move fasteners vs. 30° for standard wrenches Wrench sizes: 8mm x 10mm 12mm x 13mm 16mm x 17mm 18mm x 19mm QuadBox™ design saves weight in your toolbox by combining 4 sizes on one wrench 72-tooth ratcheting box end needs a minimal 5° to move fasteners vs. 30° for standard wrenches Off-corner loading design on box end provides better grip and reduces fastener rounding Manufactured from alloy steel for better strength and longer tool life Flush mounted reversing levers allow you to change direction without removing the wrench Bright, full polish chrome finish easily wipes clean and resists corrosion Set includes: 1/4" Bit Holder Phillips® Bits #1 #2 #3 Slotted Bits 1/4" 5/32" 7/32" Torx® Bits T15 T20 T25 T27 ASME Specification : B107.100-2010 (B107.66) Flexible : No Size : 8mm x 10mm 12mm x 13mm 16mm x 17mm 18mm x 19mm ANSI Specification : Meets or Exceeds Family Name : QuadBox™ Packaging : Carded Weight (Catalog) : 0.90 Warranty : Limited Lifetime End A Drive Type : 12 Point End B Offset Degrees : 0 End B Drive Type : 12 Point Reversible : Yes Tooth Count : 72 Length Format : Standard Finish : Full Polish Chrome Set Size Range Min : 5/16 in SAE/Metric/Torx : SAE UPC : 099575852107 End A Offset Degrees : 0 Set Size Range Max : 1/2 in Set Included Storage : Bit Holder Set Piece Count : 13 Drive Type : 12 Point Material : Alloy Steel From the Manufacturer GearWrench QuadBox