Oregon 551462 Hydraulic Assist Chain Grinder

Oregon 551462 Hydraulic Assist Chain Grinder. Chains from 1/4-inch to 0.404-inch pitch are easily sharpened thanks to a built-in hydraulic assist that closes the chain vise automatically each time the motor and wheel are lowered, eliminating manual locking and unlocking of the vise as each cutter is sharpened. New and improved features to provide optimum chain grinding performance and better ease of use. 551462 Retains and enhances features we understand you value in 109179: Hands-free clamp vise operation for faster, more efficient, high volume grinding, Self-centering chain vise, top plate angle settings, Built-in light, Self-lockout feature for safe and easy wheel replacement. In addition, the following improvements have been made to enhance performance: Added shield on hydraulic cylinder to prevent dust infiltration, Tighter hydraulic seals to reduce leakage, Sharpens 3/4" pitch chain, Stronger vise clamping force, Vise plates clamp 3 drive links vs 1 for added stability, New knob for easier and more accurate chain gauge settings.