Halyard shackles have a lever action for easy opening and closing, with a keyed pin for positive locking and security. Manufactured from Marine Grade 316 stainless steel bodies and pins. High strength-to-weight ratio. Pin Ø: 6.4mm, L:32mm, W:19mm Point and Breaking Load: 1500kg. Ideal for 4mm to 8mm lines.

This type of shackle is specifically designed to be used with halyards, which are the lines that are used to raise and lower sails. They have a unique shape that allows them to be easily attached to sails and halyards. Halyard shackles are used in sailing to attach the halyard to the sail on one end, and to the masthead or boom on the other end. This allows the halyard to be used to raise and lower the sail without having to tie or untie any knots.

To use a halyard shackle, simply insert the halyard through the loop of the shackle and then close the shackle pin. Once the shackle is closed, the halyard will be securely attached to the shackle.

Here are some tips for using halyard shackles in sailing:

• Make sure that the halyard shackle is the correct size for the halyard and the sail. The shackle should be large enough to fit around the halyard and the sail comfortably, but not so large that it is loose.
• Inspect the halyard shackle regularly for signs of wear or damage. Replace any damaged shackles immediately.
• Do not over-tighten the halyard shackle, as this can damage the shackle or the halyard.
• If you are using a halyard shackle to attach the halyard to the sail, make sure that the shackle is positioned so that the sail is correctly aligned with the mast or boom.

By using halyard shackles, you can make it easier and faster to raise and lower your sails. Ensure you always have a spare in case of emergencies.