These are 40x40x50mm balsa wood blocks. They are perfect for placing an armaturewire in. With a sheet of foambord glued on, it is the perfect solution
Balsa Wood Block
Balsa Wood Blocks
Balsa Wood Blocks – National Balsa
Balsa Wood Blocks -- Specialized Balsa Wood, LLC
Balsa Wood Block
Balsa Blocks, Bill & Walt's Hobby Shop of N. Hills, Inc
FEATURES: 24 board feet of Balsa Wood all varies in length and width & thickness.Box size 25 x 13 x 13.The blocks are unmarked , untreated except for
Balsa Wood Block Deal
Balsa Wood Block
Balsa Wood Block
Balsa Wood Block - 25mm (1) Thick x 100mm (4) Wide x 400mm (16
Balsa Wood Blocks -- Specialized Balsa Wood, LLC
Balsa Wood Block - 1 x 1 x 12, Hobby Lobby