The specification

Orde No. Outer Diameter thickness Hole dimater Segment numbe
CH-0150 230mm 1.6mm 25.4mm 2T
CH-0151 250mm 1.6mm 20.0mm 2T
CH-0152 255mm 1.6mm 25.4mm 2T
CH-0153 255mm 1.6mm 25.4mm 2T
CH-0154 255mm 1.4mm 25.4mm 2T
CH-0155 305mm 1.6mm 25.4mm 2T
CH-0156 305mm 1.8mm 25.4mm 2T
CH-0157 305mm 2.0mm 25.4mm 2T
CH-0158 305mm 2.5mm 25.4mm 2T
CH-0159 355mm 2.5mm 25.4mm 2T