The preferred choice of pads used by opticians, doctors, wholesale labs, and retails chains worldwide. . No Slipping, Excellent Adhesion Properties on all lens Materials, and slick coatings . Pass Torque Test . Easy Release Tabs . Conform to All Lens CurvesNo slipping, with excellent adhesion properties to all lens materials and slick coatings, such as uncoated and coated CR39, Polycarbonate, Hi- ...