Barrel Adapter Base, Height 12 1/2 in, Width 14 1/8 in, Features Barrel Adapter Attaches to Walls That are Maximum 3 in Thick, Length 5 1/2 in, Color Gray, Mounting Location Wall, For Use With Davit Arm IN-2210, MSA Safety XTIRPA Adapter Base System, Universal Mast IN-2003, Tensile Strength 8, 640 lb, Compatible Component Upper Arm Mast, Finish Zinc Plated, Confined Space Component Wall Adapter Base, Weight Capacity 360 lb, Mounting Type Bolt-On, Includes Not Applicable, Base Features Adjustable