This Hammerlok Coupling Link is made of high-quality HERC-Alloy 800 material and is designed to withstand a Grade 80 load limit of 12,000 lbs. It is a perfect fit for various units and cross-references such as CKCMK664050, CKCMK664250, and 42003005. The unit quantity is one and it is an essential component for any business or industrial application. It is ideal for use in hoists, winches, and rigging, and is a must-have for those in the lifting machine parts and rigging industry.