Ronstan Shock Block

Ronstan's screw on Plastic Shackle with stainless screw is suitable for keelboat, dinghy and trailerable yacht mainsails and jibs.

Features:

• Durable, marine grade plastic shackle with stainless screw
• Interior slot = 12 mm (1/2") deep x 8 mm (5/16") clearance
• For use keelboat, dinghy and trailerable yacht mainsails and jibs

Ronstan PNP107 Sail Shackle Screw-on Medium 9mm (3/8inch) Clearance Specifications:

• Size: Medium
• Clearance: 9mm (3/8inch)
• Material: Moulded in Nylon
• Weight: 6 g