PROTO SATIN COMBINATION WRENCH 1-1/8"" - 12 POINT SATIN FINISH PROVIDES CORROSION RESISTANCE AND A SLIP GRIP. 12 POINT BOX END ALLOWS FOR FINE INDEXING HELPING TO IMPROVE SPEED AND ACCESS. FITS 4 6 AND 12 POINT FASTENERS. ANTI-SLIP DESIGN (ASD) OPEN END. FRACTIONAL SIZES 11/32"" AND SMALLER AND SIZES 1-5/16"" AND LARGER DO NOT HAVE THE ASD FEATURE. BOX ENDS INCORPORATE THE TORQUEPLUS SYSTEM.