High quality product as used by BT engineers, made by DexGreen. The wires do not need to be stripped as the IDC connection in the crimp does that for you. They are very simple to use, insert one wire in each hole and just squeeze down using pliers.
500 GENUINE 8A 2 WIRE TELEPHONE JELLY GEL CRIMPS AND JELLY CRIMPTOOL
100 x GENUINE 8A 2 WIRE TELEPHONE JELLY CRIMPS BT VIRGIN TELECO CONNECTOR JOINER
10 Genuine 8A 2 wire telephone jelly crimps BT Virgin teleco connector joiner
100 Genuine 8A 2 wire telephone jelly crimps BT Virgin teleco connector joiner
20 Genuine 8A 2 wire telephone jelly crimps BT Virgin teleco connector joiner
PACK OF 500 GENUINE 8A 2 WIRE BT VIRGIN SPEAKER JELLY CRIMPS CABLE REPAIR JOINER