Manfrotto R112133 Locking Ring Set
Genuine Manfrotto locking ring set for the MKBFRTA4BK-BH, MT190GOA4, MT190GOA4US, MKBFRTA4BL-BH, MKBFRTA4RD-BH, MKBFRTA4RD-BHUS, MVKBFRT-LIVE, MVKBFRT-LIVEUS, MKBFRTA4CAM-BH, MKBFRTA4BM-BH, MKBFRTA4BM-BHUS, MKBFRTA4B-BHM, MKBFRTA4GT-BH, MKBFRTA4GT-BHUS, MKBFRTA4CAM1-BH, MBOOMAVR, MSTANDVR, MKBFRA4GTXP-BH, MKBFRTA4CAM2-BH, MKBFRTA4CAM3-BH, MKELMII4RD-BH, MKELMII4BL-BH, MKELMII4BK-BH, MKELMII4RMB-BH, MKELMII4BMB-BH, MKELMII4CFM-BH, MKELMII4CMB-BH, and the MVGBF-CFSSKIT. Set of 3 locking rings. Made by Manfrotto Italy.