Proto® 3/8 x 1/2 in. Metric Hex Bit Set

Part #PJ4900MA  |  Item #2241004  |  Manufacturer Part #J4900MA

Product Details

• Includes 1/2" and 3/8" drive
• The 1/2" drive accommodates 12, 14, 17mm
• The 3/8" drive accommodates 4mm - 10mm sockets
• Case included
• Proto® Tethered Tool Sockets are manufactured with four detent holes so that the pin detent will engage correctly regardless of the direction the socket is placed on the square drive
• The Positive Control System requires a separate tool to attach or remove the socket, meaning it cannot be removed without specific intent
• Chrome finish is applied after the holes are bored for better corrosion resistance
• Proto® bits are offered in a broad range to accommodate production assembly applications
• Made of alloy steel