Magma Two Sided Floor/Dock Upright Rack Systems. With Magma's two-sided Kayak/SUP Storage Rack System your problems are solved. This rack has been specifically designed for marinas and resorts or the residence with a large assortment of water toys that require easy convenient storage and accessibility. Building the rack system is simple; start with the base rackR10-1002-64and purchase the specific arms (sold separately) that best fit your needs. Rack arms are constructed from 304 Mirror Polished Marine Grade Stainless Steel tubing and are available in either straight30" x 1-1/2" Dia.R10-1010-30or 36" x 1-1/2" Dia.R10-1010-36for Kayak's and water toysor angled1" Dia.R10-1020for SUP's / Board's. Fully assembled this rack holds up to 8 Kayaks or 10+ SUP's or any combination of both. The base rack is designed to be mounted directly to any dock or flat surface. Constructed with 1-1/2" Dia. 304 Mirror Polished Marine Grade Stainless Steel tubingeach vertical uprights has adjustment holes spaced 2" apart for maximum storage capacity. Rack and components include pre-installed UV resistant polyethylene foam padsStainless Steel mounting / attachment fastenersand stainless steel tie-down end loops for using securing straps or a cable lock to safely secure items in the rack. Whether you're new to water sports or a seasoned veteran this rack system is a must have for every water activity enthusiast. Specifications for Magma Two Sided Floor/Dock Upright Rack System: Manufacturer: Magma Size: One Size Application: Outdoor Age Group: Adults Package Contents: Magma Two Sided Floor/Dock Upright Rack System Magma R10-1002-64: Two Sided Floor/Dock Upright Rack Systems