Oregon Chain Sharpener Replacement Chain Sharpener Stones — 3/16in., 3-Pk., Model# 31396

Fits most 120 Volt and 12 Volt handheld grinders. High-quality sharpening stones that leave an excellent cutting edge on saw chain. 3/16in. diameter file size Can use on Oregon® Chain types: 20BP, 21BP, 22BP, 20LP, 21LP, 22LP, and 95VP