10x Vintage Marbled Chestnut Acrylic Interlocking Beads 10mm. Each bead has a cut away section that allows it to be joined to another. Simply push the two together. The join is snug enough that it will hold itself in place. Diameter of each bead is 10mm and width is 3.5mm. Two interlocked beads give a hole to hole length of 14.5mm