New UL Recognized Zoller+Frohlich single and twin wire ferrules are made of tin-plated copper with color-coded polypropylene-fluoropolymer insulation (DIN and standard colors). Single wire insulated ferrules start at $3.00 for a 100-pack in sizes for 20 to 1 AWG conductors. Twin wire insulated ferrules, starting at $3.50 (100-pack), accommodate 20 to 6 gauge conductors. Ring, fork and pin crimp terminals and butt connectors in sizes 20 to 10 AWG wires start at $7.50 (100-packs). Disconnect terminals for 20 to 10 gauge conductors start at $6.50 (100-packs); styles include male and female bullet, partially and fully insulated PVC female, partially insulated PVC male and partially insulated piggy back. Four sizes and styles of crimping tools for single / twin-wire ferrules and PVC-insulated terminals have also been added with prices starting at $99.00.