UltraFire 501B/502B. Surefire flashlight 6P, 6PD, 6PDL, 6PL, 6PX, 6PXD, G2, G2-LED, G2D-FYL, G2L-FYL, G2X, G2ZL. Surefire flashlight C2, C2L, L2, L4, P2X, V2, K2MS, 9P, G3, G3D-FYL, G3L, G3L-FYL etc.
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