Series 30 High Load Exit Box for Single Rope or WirePlain bearing sheaves are ideal for halyards and other applications where high static loads are likely to be encounteredApplications: Ideal applications where lines (rope or wire) need to be led through decks, bulkheads or spars minimizing friction and chafing; Materials: Nylatron®l sheave Grade 316 Stainless Steel cheeks; Specifications:Sheave : 30.0mm(1-3/16")Max. Rope :8.0mm(5/16")Max. Cable : 4.0mm(5/32")B.L.: 800kg(1,760lbs) - cis2:mm5mnJlm -Specifications: Color: Stainless; Box Dimensions: 1"H x 2"W x 4"L WT: 0.1 lbs; UPC: 9316800335114;