An effective alternative for joining exhaust system components without the need for pipe sizing or slotting. Provides a serviceable joint — no permanent distortion of exhaust members.Hexavalent chrome free. Available in diameters from 38.0 mm (1 ½ “) through 76.2 mm (3”). Overall length 85.0 mm. Does not require pipe overlap. Eliminates the need for sizing and slotting of pipe members. 15mm fastener drive. Allows assembly & service without longitudinal movement of pipe members.