- Proprietary steel and heat treat process yields greater strength and longer bit life
- Cutting-edge machining process results in tighter tolerances and superior product consistency
- Provide a better and more consistent fit to fasteners, leading to better torque transfer
- Pack of 1 EA
- Manufacturer part number: M-638
- UPC Code: 697099069218
- Drive Size [Nom] = 5/16 in
- Locking Type = Spring
- Material = Tool Steel
- Opening Size [Nom] = 5/16 in (hex)
- Overall Length [Nom] = 3 3/32 in
- Type = Bit Holder
- Wt. = 0.17 lb
- This is a normal stocking item.
