■ 28mm(1-1/8")Hex Shank
■ Anti-vibration handle
■ Lock-on switch
■ Anti-vibration mechanism
■ Auto-stop carbon brushes for extended motor life
■ Metal housing and gear box for higher performance and reliability
Replace bit:
Clean the shank of bit and put some grease
The assembly of bit without the shoulder(with groove) (see Fig 1 & Fig 2)
Operate the lock part 2 to 150 Degree position, insert the bit 1 into the holder 3.
Operate the lock part 2 back, pull the bit 1 to check if it was locked.
When disassembling, repeat operating lock part 2 to 150 Degree as Fig 1,
then pull out the bit from holder 3.