Ball bearing Sheave Triple swivel + cam Brokerage This particular seal was originally Wichard Wire Blocks This particular seal was originally used on 252 Size 2 Traveller Car with single toggle take off and internal control line sheaves for Recirculating Ball Bearing Traveller System Length single take off mm: 166 Length double take off mm: 254 Weight single take off g: 547 Weight double take off g: 923 Width 'W' mm: 70 Width with control line cleats mm: 120 Height 2:1 mm: 44 Height 4:1 mm: 57 SWL Kg: 700 Max control line Ø mm: 8 featuring acetal sheaves and delrin ball bearings featuring high quality injection moulded side plates with all load carrying components from 316 grade stainless steel