The slipper puck gives you a simply and effective way of resurfacing your slipper pads and returning them to like new performance! Comes with fine drywall sanding screen for the perfect scuffing material. Will work on AE Octalock 11mm or 19mm, B6 style pads, all TLR 22X or 5.0 pads, all Yokomo offroad pads, all Schumacher offroad pads.