Professional Italian made chainsaw chain grinder from Tecomec. Jolly Star chain grinders are designed to professionally sharpen all sizes of chainsaw chain, as well as 3/4" and .404" pitch harvester chains. These chain grinders feature a simple chain clamping system, self compensating pivot adjustment, easy chain advancement wheels and a torsion spring. All controls and adjustments allow you to match virtually any grinding angle you want. Perfect for the shop or business! Easily mounts to a bench or tripod stand (mounting hardware and stand not included). Comes complete with instructions, 3 grinding wheels, tools and a handy light. Minor assembly required.