1.Meets all pertinent world standards2.Load chain is alloy steel grade 80 according to ISO 30773.Compact design for limited headroom applications4.High strength steel frame and gear case built to be durable for the rugged needs of construction and maintenance rigging5.Reinforced double pawl brake system and larger dia. pawl springs ensure reliable brake6.Open frame design for self-cleaning,Website:http://www.chinachain-hoist.com, quick load sheave inspection and easy hoist maintenanceOptional Features:Caged roller bearings on load sprocketZinc plated load chainCr plated side plate & bodyThrust bearings in bottom hook assemblModelChain Block SLH-BRated Capacityt0.511.52351020Standard Liftm33333333Proof Loadkn/t7.35/0.7514.70/1.522.05/2.2529.4/344.1/4.573.5/7.5147/15294/30Pull to Rated Loadn/kg250/25.5330/33.7340/34.7450/46350/35.7390/40410/42410X2/42X2No.of Falls11112248Load ChainMM5X156.3X197.1X217.1X217.1X219X279X279X27Hand Chainmm5X22X185X23.7X18Amm127147147147147179179207Bmm144157174174206263367873DimensionsCmm285315340355475600740870Dmm36414242566285110Kmm2834393947516581Net Weightkg91214.515.5224075193Gross Weightkg9.412.5151622.741.582205Extra Wt. per mkg1.51.731.971.973.074.718.2316.5