Button Head Coupler, Female Female, 1 8 in, Giant pull on type ORS NASCO Most Metals Applications General Purpose Most Metals Applications General Purpose Cutting and Grinding Arbor Diam [Nom] 5 8 in 11 Arbor Thread TPI or Pitch 11 Big Catalog NO Body Material Resinoid Bonded Bond Resin Brand B LINE ABRASIVES Catalog MPI Catalog Color Black Construction Catalog NO Country of Origin SI Cutting Diam [Nom] 4 1 2 in Dia workers benefit from less hand fatigue and greater productivity while performing detailed tasks to heavy duty jobs Lining treated with Actifresh to reduce bacteria buildup reliable performance For use with hand operated grease guns only For use with button head fittings High quality to ensure durable