Semroc Plywood Block or Bulkhead for Heavy Tube 3.1"(2 ring set) SEM-PB-3.1
Used as lightweight bulkheads for gluing on the end of a T-3.1 coupler, one ring fits inside the coupler and one on top to match the ID of the tube.
Hole for Screw Eye #10(SE-10)
Thickness assembled: 0.25"
Diameter: 2.93" and 2.85"
Made in the USA
Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are used as lightweight bulkheads for gluing on the end of a JT-80 coupler, inside and outside
Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are used as lightweight bulkheads for gluing on the end of a JT-80 coupler, inside and outside
Semroc Plywood Bulkhead or Block for BT-58 tube(2 ring set) SEM-PB-58P Used as lightweight bulkheads for gluing on the end of a JT-50 coupler, one ring fits inside the coupler and one on top to match...
Semroc Plywood Bulkhead or Block for ST-11 tube(2 ring set) SEM-PB-11P Used as lightweight bulkheads for gluing on the end of a HTC-13 coupler, one ring fits inside the coupler and one on top...
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 Plywood Blocks are used…
Semroc Plywood Bulkhead or Block for BT-58 tube(2 ring set) SEM-PB-58P Used as lightweight bulkheads…
Semroc Plywood Bulkhead or Block for ST-11 tube(2 ring set) SEM-PB-11P Used as lightweight bul…
