An adjustable longboard fin bolt with thumbscrew and plate

• Standard fit for all fins
• Thread - 3mm
• Thread length - 20mm
• Plate - 15mm x 15mm
• No need for screwdriver
• Stainless steel
• Pack of one

Makes adjusting your fin easy, in and out of the water. Ideal as a replacement or as a spare in case you lose or cross thread an existing one.