Sterling silver clam shell bead tip measures 4mm at the widest part. The loop at the top of the bead tips is large enough to attach to most catches. Clam shell bead tips hide the knot at the end of your beaded strands.
Clamshell Bead Tip with 0.56mm (0.022") Hole at base.
Hook Dimensions: 1.1mm x 2.6mm x 3.0mm (0.0435" x 0.103" x 0.119")
Dimensions when closed: 3.8mm x 9.0mm (0.150" x 0.355")
Sold in a package of 20.