Bobbin, No-Tangle (1-7/8in) 25pc - BOB1W No tangle BOBBINS: 1-7/8" diameter with WEIGHT(24GM/EA) 25 bobbins in the box Ideal for kumihimo braiding with beadsweights maintain tension Keeps thin beading threads in place No-tangle thread bobbins with built-in weights! Weights are easily removable too! Stackable, pliable, and translucent Secure loose ends and prevent tangles