EC21 Buying Leads Catalogs - krupp http://importer.ec21.com/buy_leads/krupp.html Buy Hook Block for Lifting Cranehttp://www.ec21.com/offer_detail/Buy_Hook_Block_for_Lifting--2925548.html7 sheave hook block for a Krupp KMK5110 Hydraulic AT Crane, Lifting Capacity needed minimum 80 tons.20080127