GRG-BM821-40-L-140 Cast Iron Single-Reduction Worm Reducer 3.75" Center Distance VG-621NK features a hand knob

VG-621NK features a hand knob on one side and a nut with lock washer on the other side

Universal mounting and splice plate

Pearl’s bench grinding wheels are designed for use on work benches or floor standing machines

two-way or three-way shaft configurations

GRG-BM821-40-L-140 Cast Iron Single-Reduction Worm Reducer 3.75" Center Distance VG-621NK features a hand knobFeatures One piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment. Factory filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant. Large oil capacity provides positive splash lubrication and superior cooling capability. Viton double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals. The unique quill seal guard protects the