Genuine Manfrotto upper leg collar for the 1st version 190CL, 190CLB, 190D, 190DB, 190NAT3, 190PRO, 190PROB, 756B, 3001N, and 3001BN. Made by Manfrotto Italy. Our measurements of the leg using this collar, 22/26.5mm. Measure the collars or legs you have. This part has been discontinued.