6 Pieces M4 Surfboard Fin Screws No Tool Stainless Steel Thumb Fin Screw for SUP Surf Longboard Paddleboard and BoardWorks SUP Center Fin Adapters Surfing Accessories

【HIGH-QUALITY MATERIALS】: Stainless steel surf fin screw will not rust in fresh or salty water; Besides the rubber o-ring and acts as a spring to insure the screw has pressure on it and can tighten it down without scratching the board. 【EASY TO USE】: Hand tighten against rubber o-ring means no tools required do not need a screwdriver to install adjust or remove your longboard fin or stand up paddle board fin; No more tools get you out on the water faster. 【PROTECT YOUR SURFBOARD】: Up until now someone had always used screws to hold in longboard fins and was forever frustrated with screwdrivers jumping and scratching fins/boards etc. Those days are over. These fin screws will definitely protect your sup or paddleboard. 【COMPATIBLE WITH】: Our fin screw fits most standard surfboard fin boxes for longboard SUP single fin paddle board; These fin screws are great for any board with a center box fin set up. Quantity: 6 pieces