SKOOKUM A-6 regular yoke blocks are top quality and made in the U.S.A. The sheave is grooved for 3/8" to 1/2" wire rope and has a working load limit of 7 tons. The sheave size is 6". Skookum part number 564100
--DUE TO NATION WIDE COVID-19. PACKAGE DELIVERY TIMES MAY BE EXTENDED. WE APOLOGIZE FOR THIS INCONVENIENCE. -- **all international orders do not include duties and taxes** Our store will be closed on Thanksgiving Day. Any internet orders placed on Thanksgiving Day will be processed starting on the 25th of November. Thank you!