Anti-Twist shackle for CX15, GX15 Length 58 mm please see:

please see:

The sheave has an anti- clockwise direction when in ratchet mode and is therefore intended to be used on port side

Stainless sail entry for Seldén Keelboat sections C080-C139

The PBB60 Single Block with Shackle Adaptor is designed to fit deck ring/T-base shafts of other mast brands

For boats with a RM over 25 kNm

Anti-Twist shackle for CX15, GX15 Length 58 mm please see:The Anti Twist shackle is an optional shackle connecting the halyard to the halyard swivel. The long pin will lean against the mast and prevent a soft halyard from twisting. This shackle is not necessary for a 2: 1 halyard set up nor is it for a high quality Dyneema halyard.