Chainsaw saw chain grinding wheel, this wheel is the size for grinding standard 3/8LP and .325 pitch saw chain. The size of this wheel is 145mm X 22mm X3.2mm (5-11/16" X 7/8" X 1/8")
This Archer saw chain grinding wheel works on Tecomec chain grinder models Jolly, Super Jolly, Evo and Jolly Star. It works on Oregon chain grinder models 511A, 511AX, 109179, 520-120, 620-120, 551462. This grinding wheel replaces Oregon part# OR534-18A, Total part# TL66