Caldercraft Model Boat Fittings 8108RHW 8mm Ramshead blocks. Walnut.
Sold in packs of 2, these walnut ramshead blocks measure ((h) x (w) x (d)), 8mm x 5mm x 5mm.
Equivalent manufacturers part number cross references:
Caldercraft 8108RHW
Corel AMNB144
Mantua 37131