The incredible Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It’s so light that it needs to be lashed down! Ideal for: Leech / control lines Cunninghams Features: Integrated stainless steel hub to accept lashing attachment and through-sheave becket Suits up to 4mm (5/32”) lashing Includes 750 mm (30") x 1.7mm (1/16") diam lashing cord Materials: Sheave: high compression strength carbon black Acetal Frame:/Cheeks: Toughened, glass fibre reinforced Nylon Load straps and ball bearings: Grade 316 stainless steel If this product is out of stock please contact sales@vikingmarine.ie and we can advise on availability.  Sheave Ø 20 mm Max. Rope Ø 6 mm Max. Cable Ø mm Pin Ø - mm M.W.L. 250 kg B. L. 550 kg Weight 9 g