Comprehensive impact set of 5/16-inch hex shank sturdy bits Bit holder and sockets have collar lock design for secure assembly and maximum strength and durability Industrial S2 steel bits are constructed with strong hardness and precisely machined tip The set come in a carrying, blow-molded case for safe and easy storage Includes 50-piece sturdy bits, adapters and a bit holder

KAIFNT K459 Impact Driver Sturdy Bit Set with Adapters, 5/16-Inch Hex Shank, 53-Piece

Comprehensive impact power bit set comprising of Phillips, Slot, Hex, Torx and 12 point Spline bits with 3 bit holders. Universal 5/16-inch hex shanks are used with impact wrenches/drivers these are vital equipment for technicians working in industries such as mechanical, machinery maintenance plus transmission and engine reconditioning.
The 5/16-inch hex shank is a nearly universal size that will also fit many manual impact drivers. Put these bits to work in the manual impact drivers and break loose rusted, corroded, and generally stubborn screws. They are made from industrial S2 steel for excellent impact performance, and completed with a black phosphate finish.

Set Includes
• 1 Pc. 1/4-inch to 5/16-inch bit holder with C-ring
• 2 Pc. bit holder socket adapter with C-ring
3/8-inch drive to 5/16-inch hex,
1/2-inch drive to 5/16-inch hex
• 50-piece 5/16-inch S2 steel impact bit sizes in both 30mm and 75mm lengths
4 Pc. PH: #1, #2, #3, #4
4 Pc. Slot: 1/4, 5/16, 3/8, 1/2"
4 Pc. Spline: M8, M10, M12, M14
4 Pc. SAE Hex: 7/32, 1/4, 5/16, 3/8"
4 Pc. Metric Hex: 5, 6, 8, 10mm
5 Pc. Torx: T30, T40, T45, T50, T55
• Storage case