Replacement Set of Retractable Arms for ALEKO’s 10 x 8 Foot LED Awnings For LED Awnings you will need two arms total: (1) Right Arm + (1) Left Arm; This set includes both Aluminum alloy arms are weather resistant and durable Compatible with ALEKO’s LED Retractable Awnings User Friendly design is easy to Install; Instruction Manual included This product is a replacement set of retractable arms that is compatible with ALEKO’s 10 x 8 Foot LED Retractable Awnings. For 10 x 8 Foot Awnings, you will need two arms total: (1) Right Arm + (1) Left Arm. This set includes both. Easy to install with instruction manual included.