3 Pack Fin Screws for Surfboard No Tool Stainless Steel Thumb Fin Screw and Plate for Surf Longboard and SUP

3 Pack fin screws for surfboard no tool stainless steel thumb fin screw and plate for surf longboard and sup Suitable for: our fin screw fits almost all standard surfboard fin boxes for longboard, sup, single fin, paddleboard. But some owners of other style paddleboards report these are too short for those boards. So please read our size chart carefully before you place your order. Specifications: Size and note: fin screws are about 0.75 inch (19mm) long, square nut are about 0.55 x 0.55 x 0.16 inch (14mm x 14mm x 4mm), the o-ring takes up a little of that length, and you will still have well about 0.7 inch (18mm) of length to work with. Material: stainless steel, rubber Package: box Package contents: 3 x Fin screws set Warm notice: This fin screw length is not suitable for all surfboards. So please read our size chart carefully before you place your order. If you have your original screw from your Starboard and Naish Paddleboards, measure it to see if these 3/4 inch long screws will fit.