Jiffy ™ M.S. Patch Clamps are used for instantaneous repair of longitudinal cracks in D.I. C.I. Pipes. The provided Rubber Tray covers the cracked portion and on compression seals the leakage. The clamp is 300 mm long for 80 mm to 300 mm dia NB and 500 mm long for 350 mm to 750 mm NB . Product covered under Copyright No. A-603822001.