Bondhus 31687 - ProHold Socket Ball End Bit 8 pc Tool Set w/o socket. Length: 6", Includes sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, and 10mm.

• Prohold Technology: Holds bit securely in socket, no roll pins, no set screws, no loosening, non magnetic, makes all other holding systems obsolete - Easily replace a bit without replacing the socket.
• Protanium High Torque Steel: up to 20% stronger, with more torque and twice the wear resistance of standard grades of steel.
• ProGuard Corrosion-resistant finish: environmentally safe, provides better tool grip, resists solvents and is 5 times more corrosion resistant than competitor finishes.

WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov