Repair kit for 19419, 19424, or the twin pack 19421. Kit includes: Pin stream Nozzle, Spray Nozzle, Head Washer, Valve Seat Adaptor, Inner Washer, Valve, Valve Spring, Black Cap, Filler Valve (Assembled together with filler cap assembly), Filler Cap Assembly, Cap Gasket, Sealing Washer, Guiding Nut, Trigger, Cotter Pin, & Trigger Liner. Cotter Pin Specifics: D =1.6mm   L = 2mm, made of iron.