Kit consists of: 6 rolls of butyl mastic tape, 63 mm x 0.60 m (2-1/2" x 2') 1 roll black electrical tape, 50 mm x 6 m (2" x 20') 2 rolls black electrical tape, 19 mm x 20 m (3/4" x 66') FEATURES / BENEFITS Used for protection of splices and connectors that are directly buried or exposed to corrosive environmental conditions. The kit consits enough materials to do: 12 junctions if the junction size is up to 1/2", 8 junctions if the junction size is 7/8", 6 junctions if the junction size is 1-1/4", 2 junctions if the junction size is 1-5/8" or 1 junction if the junction size is 3" to 5".