Nite Ize Kbb5-03-01 Size 5 Knotbone Adjustable Bungee At Nite Ize, we find it almost impossible to look at simple everyday tools without thinking of ways we could improve them. It is a little bit evolution, a little bit intelligent design, and a whole lot handy. Available with grey cord and black KnotBone carabiner clips. Size Num 5 which is a 5mm cord that adjusts from 28" - 6". Box Dimensions: 2"H x 4"W x 7"L. Weight: 0.2lbs.