Original for selected LP models, the texture of middle blocks follows 2 parameters 1. Hoop type: (width) middle blocks for traditional rims are approx. 5 mm shorter. Comfort Curve Rims require wider centre blocks. 2. Boiler radius: each block is precisely adapted to the corresponding radius at its ends.
Fibreglass bongos are also equipped with central blocks made of wood (Siam oak), width: for traditional rims
Material: Siam oak, boiler radius: 5 1/4 inch, 7 inch + 8 1/2 inch crowns
