Home Products Backing Pad for Grinder M16 x 2.0 List | Image PP5300 5 inch Velcro Backing Pad * M16*2.0 Internal Thread * * PP5303 5 inch Velcro Backing Pad * M16*2.0 Internal Thread * 3 Holes * PP6600 6 inch Velcro Backing Pad * M16*2.0 Internal Thread * *