Description: 1 Set (6 pieces surf Leash Plug, 6 piece grub screws, 1 piece of fin key). High quality material,can used for long time. Metal hex key with plastic molded handle has a comfort fit in your hand, Use for removing or installing the grub screws that hold you in. Durable nylon plastic construction, fitted with a stainless steel leash pin.used for either board repairs or on new surfboard builds. Easy to install standard base fin. Specification: Leash Plug: Material: Plastic Color: Black Dimensions (Diameter x Height): Approx. 2.6 x 2cm / 1.02 x 0.8inch Fin Key: Material: Plastic, Stainless Steel Color: Black Total Length: Approx. 53mm/2.1 inch Hex Key Length: Approx. 1.6cm/0.63 inch Hex Key Outside Diameter: Approx. 0.2cm/0.08 inch Grub Screws: Material:Stainless Steel Screw Heigth: Approx. 8mm/0.3inch Screw Outer Diameter: Approx. 4.5mm/0.2 inch Color:Silver Package Includes: 1 Piece Fin Key 6 Pieces Grub Screws 6 Pieces Surf Leash Plug Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!