Semroc Plywood Block or Bulkhead for BTH-80 tube(2 ring set) SEM-PB-80H
Plywood Blocks are used as bulkheads for gluing on the end of a CPL-80 coupler, inside and outside
Hole for 1/4" Eye Bolt (ERO-9123)
Plywood Thickness is 0.5" after assembly
Diameter = 2.558"
Diameter= 2.47" to fit inside a CPL-80 Coupler
Made in the USA