Rovner cap #7, plastic cap for Rovner ligatures, fits for: 1R, 1RL, 1RR model Dark, L5, L6 model Light, C-1E, C-1R, C-1RL model MKIII, V-1E, V-1R, V-1RL, V-1RVS model Versa, G-1R, H-1R model ML