Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket OptionThe incredible Series 20 Orbit Block(TM) 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!Features: Integrated stainless steel hub to accept lashing attachment and through-sheave becket Suits up to 4mm(5/32") lashing Includes 750mm (30") x 1.7mm(1/16") diam lashing; Applications: Control lines on dinghies and catamarans to 5M(16'); Materials: Sheave: High compression strength carbon acetal Ball bearings: stainless steel Frame/Cheeks: Nylon; - cis2:mm5mnJlm -Brochure (pdf)