Tough, high quality tips last a long time. Surface nubs ensure positive grip. Extra thick material at tip for longer wear. High grade rubber for added durability. Material(s): Rubber; Size Group: 11 1/2; Medium; Open End Inside Diameter: 5/8 in; Color(s): Amber. Finger; Finger Pad; Fingertip; Mailroom Equipment & Supplies; Moisteners/Pads; Pad; SWINGLINE; Thimbles; Cash-Handling; Filing; Mailroom; Shipping