DOP38275ORE Chain Sharpening Kit. 7/32" File. Kit contains 1 Assembled File Frame, 2 Wooden File Handles, 1 7/32" Round File, 1 Flat file (for Depth Gauges) and 1 .025 Drop Center Depth Gauge tool. For filing 16H, 18H, 26, 26P, 27, 72AP, 27 A, 27 R, 27 RA, 58 J, 58 L, 59 J, 59 L, 68 LX, 68 JX, 72 Series, 73 Series, 75 Series, M72 LPX, M73 LPX, M75 LPX Saw Chains.