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Seacock Backing Blocks (Groco)

BB1 - BACK BLOCK 3/4-1 SEACOCKS

Size: 4.29" Dia.
Fits: 3/4" & 1" Seacocks
Bolt: 5/16" - 18"

BB2 - BACK BLOCK 1.25-1.5 SEACOCK

Size: 5.38" Dia.
Fits: 1-1/4" & 1-1/2" Seacocks
Bolt: 5/16" - 18"

BB3 - BACK BLOCK 2-2.5 SEACOCKS

Size: 7.13" Dia.
Fits: 2" & 2-1/2" Seacocks
Bolt: 3/8" - 16"