Precision, micron-graded, polyester film backing

Achieve Close-Tolerance Finishes
3M™ Hookit™ Microfinishing Film Disc 268L is designed to enable operators to achieve precise, controlled, close-tolerance finishes on surfaces from metals to plastics to wood. This product features precision, micron-graded aluminum oxide, resin-bonded to a high-strength, resilient polyester film backing. Aluminum oxide is desirable among industrial professionals for its fast cut-rate and long life.

Aluminum oxide is suitable for a wide variety of materials in both woodworking (PDF, 20.55 Mb) and metalworking (PDF, 73.23 Mb), including ferrous alloys. It cuts aggressively without significantly altering part geometry, which is great for applications like finishing and paint prep — when you want to maintain the part's original s