ALLMAN INDUSTRY offers a full range of chain slings and shackles , which can advise on loading, end fittings and load attachment . All the chain slings and shackles are supplied fully tested , stamped and test certificate issued . Chain slings are made of the highest strength alloy steel Grade 80 chain, which is considered as the industry standard . Chain slings for rigging are also available in Grade 100 chain upon request. All the chain slings and components fully certified and with complete traceability on chains and shackles .