Our silver Barracuda Threader is cast from an actual barracuda tooth. The tooth has wonderful markings & edging which are highlighted thru our aging effects. The tooth measures 5/8" (1.6 cm). Threader chain length is 9.5 cm (3.75"), bar length is 2 cm (.75") for a total length of 11.5 cm (4.5"), not including the pendant. The weight on this threader is 1.5 gr.