Twisted Sterling Silver Crimp Bead. Popular tube-style crimp has a twisted pattern that increases holding power. Crimp by flattening with a needle nosed plier (no specialized crimping pliers required). Picture is enlarged to show twisted pattern detail. Inner diameter is about 0.05 inches (1.2mm), nominally labeled a 2x2mm crimp (actual measurements are about 1.8mm). Pkg of 50 Crimps.