Datadart Signature Nylon Shafts in Medium Black with Springs. Datadart Signature Nylon Shafts are high-quality dart shafts designed for professional and recreational players alike. Made from durable nylon, these shafts are lightweight, flexible, and built to last.Datadart Signature Nylon Shafts in Short Black with Springs. Datadart Signature Nylon Shafts are high-quality dart shafts designed for professional and recreational players alike. Made from durable nylon, these shafts are lightweight, flexible, and built to last.Datadart Signature Nylon Shafts in Tweenie Black with Springs. Datadart Signature Nylon Shafts are high-quality dart shafts designed for professional and recreational players alike. Made from durable nylon, these shafts are lightweight, flexible, and built to last.