Plunger Quick Release 19mm pin, 25.5mm housing. 57.5 x 36.5mm flange.

Sprung pin in flanged housing. 19mm pin, 25.5mm housing. 57.5 x 36.5mm flange. Flange face to end of housing 27mm. Flange face to end of pin 45 mm. Flange 57.5 x 36.5mm. Flange 6.4 mm. Housing dia 25.5 mm.

eBay