Birch Spindles and Hardware for swinging baby cradles. (for Cradle 362) Pack of 20 birch spindles, 11" long. Also supplied with music box, swing-lock & pivot bolts/collars hardware set,hearts, wood buttons and glue dowels.. The birch spindle pack is suggested if you make your cradle from birch, maple, poplar or pine. As an option you may want to also order birch rosettes.