Silvertronic's new Cable Reel Extension has 40' (12 meters) of test lead that is mounted onto a small 4 x 4 cable reel. Designed to be used with industries leading multimeters and other test instruments with 4 mm banana sockets, the Cable Reel Extension, according to the company, ensures quick, accurate and safe measurements when long distant probing of electrical circuits is required. The new Reel Extension: Allows test leads to be terminated with a right angle banana plug and 4 mm banana socket. Features over 250 fine strands of highly flexible double insulated Silicone wire. Has an added safety feature, an inner layer of insulation in a contrasting color, acting as a wear indicator if the outer layer is nicked, preventing electrical shocks or shorts.