The FASTVISE and FASTSPLICE can fasten H-T wires without a tool. Merely insert the wires into the holes. The wires are gripped by spring-loaded clamps which tighten more securely as the wires are pulled harder, holding the wires at over 80% of the breaking strength of the wire itself. The FASTSPLICE is double sided for joining two ends of wire on in-line splices whereas the FASTVISE is half of a ...