Gearwrench 8PC Metric Hex Insert Bit Set 81550

Ratcheting wrench insert bits are designed to give access to fasteners in really tight spaces. Can be inserted into the box end of a wrench and act like a low profile bit socket. Fits in 8mm 12mm or 15mm 6 or 12 point wrenches or ratcheting wrenches. Narrower profile when used in a ratcheting wrench than standard ratchets. Zinc phosphate coating for corrosion resistance. Ball detent securely holds the insert bit in the wrench. Size markings on base for easy identification. Meets or exceeds ASME and specifications. Included tray for storage and organization. Finish : Full Polish Chrome. Set Included Storage : Tray. Material : Alloy Steel.