DR-424 lock extension

Extension bit that locks the bit just by inserting it.

[Features]
A unique bit retention mechanism prevents bits from falling off.
Can be used for extremely short bits with a total length of 18 mm.
The tip diameter is 10.5mm, making it convenient for working in narrow spaces.
*Do not use with an impact driver.
*Cannot be used on bits with grooves 14mm from the edge or bits without grooves.
*When using a bit with two grooves, do not use it with screws larger than M8.

[Application]
For extending hexagonal shaft bits and drills with a width across flats of 6.35 mm.
For working in narrow and deep places.

[Specs]
Total length: 190mm
Diameter: 10.5mm
Bit insertion depth: 10mm
Axis opposite side: 6.35mm
Weight: 73g
Material: Main body/carbon steel