Bench chain grinder Hydraulic. Electric grinding machine with hydraulic vise for semi-automatic clamping of the saw chain. Enables fast, high-quality sharpening of each cutting tooth. - This hydraulic bench chain grinder efficiently maintains the sharpness on all Husqvarna chainsaw chains. The grinding disc is specially developed to preserve the hardening on X-CUT? and X-PRECISION? chains. The robust vice is extended to make it easy to feed the chain and is illuminated by a powerful LED light.