Magnetic Ground Clamp, 200 lb, 3.1 in W x 4.2 in L ORS NASCO Strong and compact in design Strong and compact in design having excellent balance and rollability All models have a cylinder hold chain and hose supports Concealed angle legs prevent load from resting on wheels when truck is stationary Handles small to medium cylinders Recommended for small shops and garages having hard surface floors Tough Steel Applications Grinding Arbor Diam [Nom] 5 8 in Arbor Thread TPI or Pitch 5 8 in 11 Big Catalog YES Body Material Resin Bond Resin Brand CGW ABRASIVES Catalog MPI Catalog Color Gray Construction Catalog NO Country of Origin US Dia On Off magnetic clamp enables welder to quickly set up weld and move on to the next job Instant ground on flat or pipe Provides strong grip on flat or round surfaces