Key Steel: 4x4x300mm (Iron Wedge)
Nipple: qs sus 1/2x1/2 (nipple spiral in stainless steel)
3m scotch tape
Valve: check vnr-212-1/2inch camozzi
Bolt: socket head sus m12x30mm
Clamp hose sus 11 - 20mm (7/16-25/32)