Oregon Chain Sharpener Replacement Chain Sharpener Stones — 4.5mm, 3-Pk., Model# 32628

Fits most 120 Volt and 12 Volt handheld grinders. High-quality sharpening stones that leave an excellent cutting edge on saw chain. * 4.5mm diameter file size * Can use on Oregon® chain types: 33SL, 34SL, 35SL, and 90SG