About this Manual Scope and Intended Users This service manual describes the service abator. The intended users for this service manual are authorized service personnel. Conventions Various types of warnings, cautions, static control precautions, and information notes are used in this Service Page 14: References, Macau and use different socket types from the Mainland China. In , British Standard outlets, also known as type G, are widely used. Peopleing from countries like UK, Ireland, India, Malaysia, Singapore, Maldives, Nigeria, and Uganda can charge Description. Crosby G-417 Closed Spelter Sockets have an efficiency rating of 100%, based on the catalog strength of wire rope. For use with Wire Rope Size: 1-3/4" - 1-7/8". Ultimate Load: 268 tons. Get Price. Crosby® 417 Spelter Sockets. Type A, except for those provisions required of the contractor. Forged Steel Sockets through 1-1/2 LG Rigging-China Manufacturer Supplier Factory,Closed Spelter Socket G-417 US terial:Superior rface Finished:Gegalvaniseerd.