12 millimeterThe biggest adjustment range up to /- 1.75 degree. Unlike other frictional lock designs they use a positive toothed lock washer which mean NO SLIP. Simple to adjust and lock time after time with out slipping.Brand: Whiteline, Model: KCA412
The biggest adjustment range up to /- 1.75 degree. Unlike other frictional lock designs they use a positive toothed lock washer which mean NO SLIP. Simple to adjust and lock time after time with out slipping. Brand: Whiteline, Model: KCA412