The birdboxes are for the advanced ninja where lock off is key to be successful through this obstacle
32mm holes for the dowel
300mm in length
90mm wide
comes with 10mm welded stainless eye bolt
painted red and black
SOLD AS A PAIR x 2
*dowel not included
https://www.tassieninjaandcalisthenics.com/collections/accessories/products/timber-dowel
weighs 1.3kg