Diablo, 312 20 grit universal fit carbide grit oscillating sanding plate Diablo’s universal fit oscillating sanding plates feature application specific designs that deliver maximum durability and longer life in sanding applications A 20grit sanding plate aggressively removals and shapes materials Opencoat carbide grit reduces material buildup and clogging for longer life The blade’s universal fit, adapterfree design easily attaches to most tools, with the exception of starlock tools