The image shows a two-speed mainsheet system using the 992.602 as the bottom block and cleat system.
Size 60 for boats up to 36 ft and lines up to 10 mm, main sheave with Cam-Cleat 60 mm, secondary sheave 50 mm, safe working load SWL = 800 kg. All sheaves are made of HRM resin with 2 races of ball bearings.