Irwin 10/4 PAIR Aluminum Spreaders - 36” TallGreat condition. Aluminum spreaders removed off of an Irwin 10 4. The spreaders are 36 total length. The mounting is directly to the mast. This area measures overall length 4 1 8 x 3 wide. I added a photo to show, the blue in the photo is the overall length while the red is the bolt pattern. The bolt pattern measures 4 3 8 long x 2 3 8 wide. Sits roughly 1 rounded. Each comes with the light already mounted onto it. Usual condition for used, some