4mm Gold Filled Bead (.5mm Silicone Insert)
4.0mm Bead with Silicone InsertBead Diameter: 4.0mm | 0.157"Bead Hole Size: 1.7mm | 0.067"Silicone Hole Size: 0.5mm | 0.020"We recommend 0.85-1.2mm | 0.034"-0.047" diameter items for best silicone fit