This is a cheetah , Star-A-Liner frame machine hydraulic ram adapters or couplers, these adapters are made of Grade 80 machined steel and is yellow zinc coated. works with most all cheetah and star A Liner frame machines. Adapters come with 1/-1/4 NPT threads and has a 1″ pin through hole. These adapters works with the tower and lifting hydraulic rams. we have provided Inches and metric measurements for your convenience. These adapters are plug and play with no modifications required and is rated for 10 ton pulling Works With Cheetah frame machinesWorks with Star-A-liner frame machinesWorks with DOZER frame machines Rated for 10-tons pulling machinesWorks with Star A Liner Tower and lift ram cylinders 1-1/4″ NPT male and female threadsBoth male and female threads are 1-1/4″ threadsEach adapter will accept a 1″ diameter pin. Works with other types of pulling equipment ( see and compare measurements) Made with the premium steel and yellow zinc coated Made of machined Grade (80 ) SteelSuperior made product (see and compared photos) Year warranty Note: This product is not pipe steel and in machined from 1 piece or steel and is not made from pipe Star Rack, Star A Liner, Star Rack, Hydraulic coupler, Hydraulic Adapter, Frame machine Threaded adapter, GAT-1006-FRC, GAT-1005-MRC Our UPC: 3503634122010 UPC: 689407830825compare to part# 770-152