All models

FSN / Mafell-pattern rail key for Jorgensen E-Z Hold (or similar flat-bar) clamps

Parts per key 2 x M5 pan-head screws, 25 mm, with nuts (plain or nyloc; set nut_t/nut_clr to suit) 1 x M6 bolt, 25-30 mm, with nyloc and two washers (the bar pin). M5 works at a push also. Print Lie the block on the face WITH the bar…