Here we have the edge clips that hold the leather/vinyl seat cover to the seat frame. There are used on various models of classic cars including MG/Mini/Ford/Rover/Triumph. The dimensions are:- Length 12.8mm, Depth 12.7mm, and panel thickness 1.2-3.4mm. They are new and there are 100 in total. Part nos. are BL 14A4497, Rover BRC3266, Triumph 608817, Unipart GHF1500