Mainsheet block with 3 sheaves

Mainsheet block with 3 sheaves, cam cleat, swivel and becket from the Sprenger S series.
The S-series is characterised by its optimized rope guidance by specially formed cheek parts and continuous strap of stainless steel for more security and stability. The wobble riveting avoids sharp burrs on the rivet head. The S series is also characterised by its compact design with a low overall height and the UV-resistant cheek parts made of high-quality glass fibre reinforced polyamide.

The different bearing types have the following properties:

Sliding bearing (labelled with a yellow dot)
- High load capacity
- Particularly suitable for standing loads

Ball bearing (labelled with a red dot)
- Smooth-running plastic ball bearing
- Particularly suitable for light loads

Needle roller bearing (labelled with blue dot)
- Friction-minimised needle bearing (stainless steel)
- Very high working load
- Smooth running even with high loads