Iron Bead Tips, Calotte Ends, Clamshell Knot Cover, Gunmetal.
The standard style provides a loop with a hole in the bottom and an attachment loop. Iron Bead Tips Size: about 9mm long, 3mm wide, 3mm inner diameter, hole: about 1.5mmThese Bead Tips, Calotte Ends, Clamshell Knot Cover are used to conceal knots at the ends of beaded strands and to connect the strands to the clasp.