Compatible with all 26 series M1 camlocks and drawer locks models 2630, 2631, 2632, 2633, 2633A, 2634, 2635, 2637, 2638, 2639, 2640, 2651, 2652, 2652C, 2653, 2659, 2665, 2667, 26G1, 26G4. If you misplace your keys, a removal key can be used to detach the old cylinder core from any 26 series cam lock and replace it with a new one.
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