7/16" (10mm) Ronstan Double, 2-Axis Shackle Head Block

Features:

• Exceptionally high working loads
• Low maintenance, long service life
• Self-lubricating sheave
• Slotted pin shackle eliminates fouled lines
• Two way head post

Materials:

• U.V. stabilised Acetal sheaves
• Impact and U.V. resistant, fibre reinforced Nylon cheeks
• Grade 316 stainless steel bearing race
• Grade 316 stainless steel load strap and head fitting
• Impact and UV resistant, fibre reinforced Nylon cheeks

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Head can be locked at 0° or 90° by removing the shackle and changing the headpost orientation.

APPLICATIONS

• Mainsheet
• Halyard
• Vang
• Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)