Chain Grinder / Super Jolly w/hydraulic clampPack Size:1Oregon 551-462, Oregon 620-120, Oregon 551462 Powerful 300 watt/3400 RPM direct-drive, ball bearing mounted motor, Special tilting vise pivots to provide additional 10 degree horizontal angle for sharpening chisel chain, EQUIPPED WITH A SEMI-AUTOMATIC HYDRAULIC CHAIN CLAMP VISE, Includes wheel dressing brick, wheel gauges, and hex wrenches for changing wheels, Mounts on bench or wall, Comes with 3 grinding wheels: 3.2mm for 1/4", 3/8" LP, 4.7mm for .325", 3/8" and .404" and 8mm for 3/4" pitch, Motor is non-reversing, Reduces steps required allowing the operator to index chain faster, Sharpening time can be reduced as much as half, Built in lamp, Grind all types of chain, from 1/4"-3/4" pitch, MANUFACTURER'S WARRANTY APPLIES — to ensure tool accuracy and personal safety, do not attempt to repair tools under warranty