File Length: 6"" File Thickness: 1/8"" File Shape: Round File Cut: Knurl Cut Pattern: American Tighten Tension on Chain to Firmly Support Cutters When Filing File From Inside to Outside Of Cutter Place File Against Beveled Cutting Surface Of Teeth 20 to 45 with Saw Sharpen All Left Hand Cutters on One Side Of Chain, Then Move to the Other Side and File All the Right Hand Cutters Check Depth Gauge Height Every 2 or 3 Sharpening's Height Between Cutting Teeth and Depth Gauge is Between .020"" to .030"" Merchandise

Features:

• Round Knurl Cut
• American Pattern tooth type
• Round double cut file cut for more aggressive sharpening