Sait 52284 3" 120-Grit SAIT-LOK-R Aluminum Laminated Discs 50pkSait 120-Grit SAIT-LOK-R Aluminum Laminated Discs. Nylon screw threaded hub for easy mounting to the backing pad. Aluminum oxide grain. General purpose, long life. Easy disc changes by twisting to unlock backing pad. Ferrous and/or non-ferrous metals. Wood, plastic, fiberglass, etc. Tech Info: 2-ply construction is rugged enough for contoured surfaces or flat surfaces. Quick-change backings make for fast easy disc changes and less downtime. Universal backings fit most major backing pad brands on the market.
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