The ArborMAX 1/2" Tenex Ultra Rigging Block Sling has from 10 to 18 (7") pockets depending on the length you choose and is made with 1/2" Samson Tenex Tec. A rigging block is installed and captured in the terminal eye of the sling. This rigging sling easily adjusts in length using the spliced pockets located at fixed intervals. Only designed for use in choked configuration. Choked configuration MBS 10,000 lbs. Will fit most 1/2" blocks.