The compatible with YOW Meraki surfboard system has a more simplified and enhanced design and a red spring system that makes it one of the most unique surfboard devices.We removed the consumable parts of the old system, kept our red spring system intact, and strengthened the basic parts to make it lighter, more durable, and improved aesthetics.The new system is now unified on our own skateboard to make it more stable without sacrificing the well-known surfing process, making your surfing experience richer.Model: MerakiRecommended compatible with skateboarders over 50kgSuitable compatible with surfboards, longboards, double rockers, small fish boardscolour:SilverMaterial:aluminum alloysize:6.25 inchesPackage Contents:1 x meraki bracket(shock cushion color random, don't accept the specified color)1 x auxiliary bracket3 x 10mm gasket1 set x screwsOnly the above package content, other products are not included.Note: Light shooting 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.