Description
Zircon 57mm double block can handle up to 300kg (660 lbs) and lines with a diameter of up to 10mm (3/8"). It features industrial ceramic ball bearings that are over 700% stronger in compression than stainless steel bearings of the same size. This provides optimal efficiency and minimizes energy loss due to friction. The Zircon Double Block 57mm is ideal for small boats where durability and efficiency are crucial, as well as for racing boats where maximum performance is necessary.
- Length 79mm
- Weight 86.4g
- 10mm maximum line
- 300Kg maximum working load
- 900Kg breaking load
- Sheave 57mm