Electric saw chain pencil sharpener: 12V grinder with on-board power adapter and crocodile clip. Sharpen most chainsaw chains, spaced up to 0.48 inches apart
Internal grindstone: contains grindstones of 3 / 16 inch (4.8 mm), 5 / 32 inch (4.0 mm), and 7 / 32 inch (5.5 mm)
Simple electric saw sharpening Kit: simple sharpening angle adjustment guide to ensure accuracy
Lightweight: ergonomic design. Including long power cord (5m)