Details

Product material: 40Cr quenched black

specification: 
(1)8-9mm, suitable for bearing inner diameter 8 or 9mm
(2)10-12mm, suitable for bearing inner diameter 10 or 11mm
(3)12-14mm, suitable for bearing inner diameter 12 or 13 or 14mm
(4)15-17mm, suitable for bearing inner diameter 15 or  16mm
(5)17-20mm, suitable for bearing inner diameter 17 or  18 or 19mm
(6)20-24mm, suitable for bearing inner diameter 20-24mm
(7)25-29mm, suitable for bearing inner diameter 25-29mm
(8)30-32mm, suitable for bearing inner diameter 30 or 31 or 32 mm
(9)35-37mm, suitable for bearing inner diameter 35 or 36 or 37 mm

Note:
It needs to be used with a sliding rod, the thread of the sliding rod (1/2"-12)