- SWL (kg):1500
- NBL (kg):3000
- Weight (g):84
- Recommended line - Max Ø (mm):7
- Pin-Pin (mm):84
- Pin Ø (mm):6
- Sheave diameter (mm):33,8
- Inside diameter (mm):8
The Karver block can be used for 2:1 or 3:1 purchase system on the base of the drum or it is equally effective for a 2:1 purchase on the halyard. The 3:1 end can be lashed through the centre of the sheave with the roller bearing sheave providing low friction, high load, fine tune control of luff tension.
The stated pin-pin dimension is from pin centre of the attachment to the drum/swivel to the outside edge of the sheave i.e. end of the fitting.
Karver KF1 drawing with 2:1 block