Key Specifications/Special Features:
- Extension Bit Holder feature a hollow aluminum tube cover inside transmission hex shaft. Holde the tube to help working firmly. Various Length provide easy access to hard-to-reach area. Patent desgin single hand using. Simply insert the 1/4 inch drive bit into the chuck for auto-locking, push forward for quick remove. It can be used with power bits.
- Bit Holder avabivable sizes: -600mm L (#4S-0178-600) -400mm L (#4S-0178-400) -300mm L (#4S-0178-300) -150mm L (#4S-0178-150) -80mm L (4S-0178-80).