Specfacation:
Inner Hole Bore (D1 to D2)
2mm to 1mm 2.3mm to 3mm 3.17mm to 3.17mm 4mm to 4mm
2mm to 2mm 2.3mm to 3.17mm 3.17mm to 4mm 4mm to 5mm
2mm to 2.3mm 2.3mm to 4mm 3.17mm to 6mm 4mm to 6mm
2mm to 3mm 2.3mm to 5mm 5mm to 5mm
2mm to 3.175mm 5mm to 6mm
2mm to 4mm 6mm to 6mm
2mm to 5mm
Note: 3o17mm is 3.17mm
Notice:
1.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.
2.The measurement allowed error is ±1-3 mm.