Amazon.com: AmzDeals (2 Pack) 1 Foot Black RJ12 6P6C Reverse Wired Cable for Voice, Professional Grade Made in USA, Modular Telephone Cord 12" : Electronics
Amazon.com: AmzDeals (2 Pack) 3 Feet Black RJ12 6P6C Straight Wired Cable, Professional Grade Made in USA, Compatible with Data and Voice, Phone Cord 36" : Electronics
Amazon.com: RJ12 to RJ12 Cable 2m 6P6C Flat Extension Lead Phone Cord Telephone Plug Connector Male to Male Router/Modem to Phone Landline Socket Switchboard Lead Data Plug Wire RJ-12 to RJ-12 (White) :
Hiija Cable Tester + RJ45 Crimp Tool Pass Through CAT6 Cat5e Cat5 Crimping Tool for RJ45/RJ12 Regular, 50PCS CAT5 CAT5e Pass Through Connectors, Mini Wire Stripper - - Amazon.com
RJ45 Crimping Tool Ethernet Crimper for Cat6 Cat5 Cat5e RJ45 Pass Through Connectors and RJ12 Ends Comes with 20PCS RJ45 Cat6 Connectors and Replacement Blade - - Amazon.com