Magma Arms f/Storage Rack Frame f/Kayak & SUP Straight. Use Magma's Staight Arms in combination with SUP Arms to hold all your water toys safely in place. Whether you are new to the water sports world or a seasoned veteran this complete customizable rack with SUP and straight arms is a must have for every paddling enthusiast. Specifications for Magma Straight Arms f/Storage Rack Frame f/Kayak & SUP: Manufacturer: Magma Color: Black Features of Magma Straight Arms f/Storage Rack Frame f/Kayak & SUP Include UV Resistant Polyethylene Foam Pads Straight Arms are sold in pairs Extrememly strong straight arms for any Kayak or SUP Compatible Devices: R10-1001 Storage Rack Frame for Kayak & SUP Package Contents: Magma Straight Arms f/Storage Rack Frame f/Kayak & SUP Magma R10-1010-36: Arms f/Storage Rack Frame f/Kayak & SUP Straight