• NO TOOLS FIN SCREWS : air7 marine grade 316 stainless steel fin screws for most SUP including inflatable airSUP
• 316 STAINLESS STEEL BOLT : 3.5mm Diameter x 18mmLength
• 316 STAINLESS STEEL NUT : 14.1mm Wide x 14.1mm Length x 4mm Height
• TWO or THREE IN THE PACK : (please choose) keep spares in your car, use on all your boards , also makes a great gift for friends and family!
• FITS MOST US BOX and "fins unlimited" style fin boxes and AIR7 box (this covers most longboard / SUP / inflatable SUP with AIR7 box and all airSUP)