Listing ID #4044605
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Contact SupplierIt is to illustrate the principle of mechanical advantage as applied to pulley systems. It is used where lifting of heavy loads is desired. It consists of two pulley blocks. A safety locking device in the upper block enables the load to be held at any height without slipping. 20 metres of Nylon rope is supplied along with to give a maximum of 2.5 mtr. safe working of load upto 150kg.