General Purpose Plugs for Metric Threads - Gen Purpose Plug for M14 X 1.5 Threads, PP Red MOCAP GPM1415RD4 (qty100): Amazon.com: Industrial & Scientific
Adjustable flat tension lever, 40 mm diameter, with 25 mm, M12 threaded bolts, slanted lever : Amazon.de: Business, Industry & Science
Caplugs 99196254 Threaded Plastic Cap for Metric Fittings, Plastic, to Cap Thread Size M18 x 1.5, CD-M-18X1.5, Green (Pack of 1000): Amazon.com: Industrial & Scientific
Amazon.com: Snap Ring Clip, for VW Differential, Compatible with Dune Buggy : Automotive