Bulk Heads

Semroc Plywood Block or Bulkhead for BTH-7.5 tube, 0.25" Plywood(2 ring set) SEM-PB-7.5H

Semroc Plywood Block or Bulkhead for BTH-7.5 tube, 0.25" Plywood(2 ring set)  SEM-PB-7.5H Plywo…

Semroc Plywood Block or Bulkhead for BTH-80 tube(2 ring set) SEM-PB-80H

Semroc Plywood Block or Bulkhead for BTH-80 tube(2 ring set)  SEM-PB-80H Plywood Blocks are us…

Semroc Plywood Block or Bulkhead for 54mm tube(2 ring set) SEM-PB-54mm

Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set)  SEM-PB-38mm Plywood Blocks are used…

Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm

Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set)  SEM-PB-38mm Plywood Blocks are use…

Semroc Plywood Block or Bulkhead for BT-19 tube(2 ring set) SEM-PB-19

Semroc Plywood Block or Bulkhead for BT-19 tube(2 ring set)  SEM-PB-19 Used as lightweight bul…

Semroc Plywood Block or Bulkhead for BT-58 tube(2 ring set) SEM-PB-58

Semroc Plywood Bulkhead or Block for BT-58 tube(2 ring set) SEM-PB-58P Used as lightweight bulkheads…

Semroc Plywood Block or Bulkhead for BT-20 tube(2 ring set) SEM-PB-20

Semroc Plywood Bulkhead or Block for BT-20 tube(2 ring set) SEM-PB-20P Used as lightweight bulkheads…

Semroc Plywood Block or Bulkhead for ST-11 tube(2 ring set) SEM-PB-11

Semroc Plywood Bulkhead or Block for ST-11 tube(2 ring set)  SEM-PB-11P Used as lightweight bul…

Semroc Plywood Block or Bulkhead for ST-9 tube(2 ring set) SEM-PB-9

Semroc Plywood Bulkhead or Block for ST-9 tube(2 ring set)  SEM-PB-9P Used as lightweight bulkh…