Ko-ken 1/2″ Sq. Drive Impact Attack-Driver Set, 25-Pc
What it does
Converts a hammer strike into up-to-400 N·m of twist to break loose seized or rusted screws and small bolts. Hit the driver’s end with a hammer; the internal cam delivers instant, reverse torque while the rubber grip soaks up the shock.
Specifications
- Input drive: 1/2″ square
- Output: 5/16″ hex bit holder (included)
- Bits (double-ended):
– Phillips PH2, PH3
– Pozidriv PZ2, PZ3
– Slotted 8 mm, 11 mm
– Hex 4, 5, 6, 8, 10 mm
– Torx T25, T27, T30, T40, T45, T50
– XZN M5, M6, M8, M10, M12 - Driver body: black-oxide steel with rubber grip
- Case: stamped steel, painted red
- Pieces in set: 25 (driver, bit holder, 23 bits)
- Made in Japan
$80.15
Original: $229.00
-65%Ko-ken 1/2″ Sq. Drive Impact Attack-Driver Set, 25-Pc—
$229.00
$80.15
Description
What it does
Converts a hammer strike into up-to-400 N·m of twist to break loose seized or rusted screws and small bolts. Hit the driver’s end with a hammer; the internal cam delivers instant, reverse torque while the rubber grip soaks up the shock.
Specifications
- Input drive: 1/2″ square
- Output: 5/16″ hex bit holder (included)
- Bits (double-ended):
– Phillips PH2, PH3
– Pozidriv PZ2, PZ3
– Slotted 8 mm, 11 mm
– Hex 4, 5, 6, 8, 10 mm
– Torx T25, T27, T30, T40, T45, T50
– XZN M5, M6, M8, M10, M12 - Driver body: black-oxide steel with rubber grip
- Case: stamped steel, painted red
- Pieces in set: 25 (driver, bit holder, 23 bits)
- Made in Japan



















