Santa Barbara Surfing SBS Surf Fin Key & Screws for FCS Fins COMBO PACK: this Santa Barbara Surfing combo kit includes one Fin Key that works with both FCS and Futures fin systems and six (6) FCS fin screws. HIGH QUALITY: Steel hex key with plastic molded handle has a comfort fit in your hand, and the loop means you can keep this on your keychain. FCS screws are stainless steel so won't get stuck. BUY MORE SAVE MORE: Check out all variations to get the deal that works for you. FREE STICKER: We include our Santa Barbara Surfing sticker in the package so you can represent. 1% TO CHARITY: Every month we send 1% of our sales to a charity. This month it is AmpSurf, which is dedicated to to getting disabled veterans in the water.