Stadea 4" Rubber Backer Pad/Flexible Rubber Backing Pad for Counter Edge Wet Dry Polishing - Arbor 5/8" 11 Hook and loop backing pad made with premium grade rubber, semi-flexible backer Rubber backing pad with premium quality for stronger bond with attachments Brass arbor with 5/8" 11 Thread Diameter 4" or 100 mm Max RPM 4500 Stone (Quartz, Granite, Marble, others) Counter <span class="a-text-bold">Edge </span>Polishing Concrete Countertop<span class="a-text-bold"> Edge</span> Polishing Minor Curved surface, Minor Sink Curve Wet or Dry Polishing Full Bullnose, Miter, Demi and similar profile edge polishing Wet or Dry Edge Polishing 4&#034; Flexible Rubber Backing Pad Flexes on edges with changing shape to reach and polish such surfaces The tough core provides adequate pressure on suchsurfaces Quick Change of Pads Adequate Bond with Polishing Pads Demi Bevel Bullnose 5/8&#034; 11 threaded durable brass arbor Center hole for water flow Side flat face to secure wrench Suitable forWet Polishing and Dry Polishing Flexible rubber hook and loop pad Reaches easily on various profile shapes The tough core provides adequate pressure on profilesurface For quick Change of Pads High-quality Hook and Loop for good bond and longer life Flexible paddesigned to reach and polish Demi, Full Bullnose, Bevel,and other profiles with similar curves Available in 2&#034;, 3&#034;, 4&#034;, 5&#034; and 6 inches Adequate height for easy release from grinder polisher Fits 5/8&#034; 11 male arbor Works great with Stadea SWP101K Wet Polisher Max RPM 4500