View Larger THV "Lo-Pro" Series 1/2 - 10 metric ton Lifting Capacity Low headroom "Army Style" type trolley hoist . View Model Specifications Catalog SectionTechnical Publications FeaturesMeets ASME B30.16 Specifications and HST - 2M standardsUtilizes our premium VL2 hoist with a "low profile" trolleyAll steel construction for external impact resistanceForget steel alloy load hooks with non-slip design have extra wide throat openings for easy riggingPremium grade 100 alloy steel load chainContour trolley wheel design provides maximum beam contact on flat or tapered beamsThrust bearing bottom block helps prevent chain twisting or kinkingOverload Protection to deter and reduce downtime and repair costs resulting from abuseNeedle bearings reduce friction and provide low hand chain pullOverload Protection included Document LibraryManuals English Parts, Operation, and Maintenance Manual T ...ATEX for Manual Chain Hoist and Trolley