MEDTRONIC 

Lead Extenders Kit 6984M:  200+ in stock
The 6984M Lead Extender Kit is designed to extend, by 37 cm (14.6 Extender Kit in.), the length of a pacing lead system with a bipolar connector

Lead Extenders Kit 6986M:  200+ in stock
The 6986M Lead adaptor/Extender kit is designed to extend, by 37 cm Extender Kit (14.6 in.), the length of a 3.2 mm low-profile connector pacing lead system and connect to a pulse generator featuring a bipolar connector block