Package Inclusions: our set includes 20 pcs longboard fin screw and plate; This amount provides ample replacements for your multiple surfboards, making it a good choice for surfers or leisurely beach vacations Construction: each surfboard fin screw is crafted from stainless steel for its durability and corrosion resistance; This material ensures a prolonged lifespan and reliability, reducing the concern of rusting or breakage while during surfing Size: fin screws are designed for easy installation; Their size makes them suitable for longboards, sups, single fins, paddleboards, and most standard surfboards; Please verify the size before purchasing Easy to Installation: our sup screw tool requires no additional equipment for their installation; Just tighten the provided rubber o screw with your hands, and you're set; This easy and quick-to-use setup allows for screw replacements Compatibility: our surfboard fin screws are compatible with most of the standard surfboards, longboards, sups, single fins, paddleboards among others; Ensures surfing equipment remains secure, whether you are a surfing pro or a passionate enthusiast Colour: Silver Material: stainless steel Package Contents: 20 x fin screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.