... 00.9mm - 551' - 2M25, 24, 23, 22, 21, 20, 19, 181-1/4"31mm±4.00.9mm - 401' - 2M23, 22 ... "40mm±5.01.0mm - 451' - 2M23, 22, 21, 20, 19, 182"50mm±6.01.2mm - 401' - 2M23, 22, 21, ... 20, 19, 182-1/2"65mm±7.01.0mm - 301' - 2M21, 20, 19, 183"75mm±8.01.4mm - 302' - 2M20, 19, 18, 174 ... "100mm±8.01.6mm - 302' - 2M19, 18, 17, 16 Factory!!! Cheap!!! Cheap ...