Silverline Chainsaw File 4.8mm / 3/16"

Amazon

4.8mm / 3/16 Inch Sharpens quickly and accurately Clear markings for easy alignment Attached guide plate holds file at correct depth, Weight: 0.3086471668 Pounds, Manufacturer: SLTL4

Zoro Tools

Round file designed for sharpening chainsaw chains quickly and accurately. Attached guide plate holds file at correct depth, clear markings for easy angle alignment.