Indef brand triple spur geared chain pulley blocks manufactured by M/s Hercules Hoists Ltd. in collaboration with M/s Heinrich Defries Gmbh. Germany, conforming to ISS-3832 complete with Grade 80 Alloys Steel Load Chain as per IS-6216, heavy duty free swiveling steel forged hooks as per IS-15560 Alloy Steel hardened Gears, M.S. Hand Chain as per IS-2429 (Part-II), Load Chain Wheel of Mailable Iron Casting Hand Chain wheel (CI), screw and friction disc type self sustaining Load Brake complete in all respects and as per enclosed leaflet, tested to 50% overload and accompanied by manufacturers .