• 40x155 x23mm. Bolts directly to yBetter Vacuum Cups existing plate. No more expensive pins, springs or caps with Better Vacuum Cups one piece ball valve. • Includes ball valve. • Some machines have a plate that these cups easily attach to. This would be yBetter Vacuum Cups replacement for the plates. • If you need the cups to be 55mm tall you will need a base which is also available from BVC. Please use products page - Busellato and see info with base attached.