Tempo Communications' CS-03 - Tele-Mate® Series replacement or alternate Test Cords sometime called Leads or Test Leads. Comes with RJ11 to large tangle-free cloth cords and Booted Angled 66 Clips w/Bed-of-Nails (ABN) with vinyl sleeves. Compatible with TEMPO Communications, GREENLEE Communications, and other Lineman's Telephone Butt-in Sets. Angled 66 Clips are designed to clip safely onto 66 blocks without shorting out the circuit. Commonly used with a modular breakout adapter. Angled 66 Clips w/ABN/PP are preferred by Telco and Interconnects world wild! American-engineered and made to the high-quality Telco standards.