T-Handle Water Valve Key Set Compatible with Viega Vanguard Manabloc Minibloc Plumbing System OLD AND NEW STYLES APPLY:Black water valve key compatible with Viega Vanguard old-style 1/4” x 5/16” male diamond stem pins,Red water valve key compatible with Viega Vanguard new-style 3/8” x 1/2” male diamond stem pins Compatible With Viega ManaBloc distribution manifold Model V5030 V5030.2 V5040ZL V5043ZL V5030ZL;Compatible With Viega MiniBloc zoning manifold Model V5031 V5050ZL V5065ZL;Compatible With Viega PureFlow MiniBloc zoning manifold Model V5650 V5660 V5667;Compatible With Viega ManaBloc supply adapter Model V5035ZL. Crafted from PETG material for durability and safety Package:T-handle Key*2 Keyring*2 Water Valve Key Compatible with Viega Manabloc New Style and Older Style Red Black Key Set