forged alloy steel - quenched and tempered.
•individually proof tested with certifcation.
•rated for grade 100 chain in choker applications.
•each hook has aproduct identifcation code (pic) for material traceability,
along with the size and the name crosby & u.s.a. in raised letters.
•25% stronger than grade 80.
•fatigue rated at 1-1/2 times the working load limit at 20,000 cycles.
•“look forthe platinum color - crosby grade 100 alloy products.”
•for use with s-1325 chain coupler link. 
　　做为振锋（yoke）公司产品的销售商、服务商，深圳市强镜起重设备有限公司，为了使用者的需求，始终坚持以[品质即命脉、服务为根本]的理念，提供给客戶性能优越的产品及完善的专业服务。

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深圳市强镜起重设备有限公司
谢小姐
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