3M Leap III Finish Blocking Pads 1696M, 1 roll = 1000 pads with a diameter of 18 mm

3M Leap III 1696M is a special double-sided adhesive foam pad for securing during the grinding of standard eyeglass lenses. Average diameter of the oval-shaped washer: 18 mm, 1 roll = 1000 washers. Technical specifications material: black polyolefin foam, thickness 0.56 mm adhesive: synthetic rubber liner: white printed paper