Replacement Left Side Retractable Arm for ALEKO’s 12 x 10, 13 x 10, 16 x 10, and 20 x 10 Foot LED Awnings For 12 x 10 and 13 x 10 Foot LED Awnings you will need two arms total: (1) Right Arm + (1) Left Arm For 16 x 10 Foot LED Awnings you will need (1) Right Arm + (2) Left Arms For 20 x 10 Foot LED Awnings you will need (2) Right Arms + (1) Left Arm 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 Assembled Product Dimensions (LxWxH): 61 x 4 x 3.1 inches (154 x 10 x 8 cm) Product Weight: 8.8 lbs (4 kg). Color: Deep Gray Includes: (1) Left Side Retractable Awning Arm This product is a replacement left side retractable arm that is compatible with ALEKO’s 12 x 10, 13 x 10, 16 x 10, and 20 x 10 Foot LED Retractable Awnings. This is the left side retractable arm only. Easy to install with instruction manual included.