Flush Floor Mount Sleeve,Yellow, Height 9 1/4 in, Width 8 in, Features Allows passage of traffic and eliminates trip hazards when not in use, Length 12 in, Color Yellow, Mounting Location Floor, For Use With Davit Arms, Tensile Strength Not Applicable, Compatible Component Lower Mast Extension, Finish Zinc Plated, Confined Space Component Base, Weight Capacity 450 lb, Mounting Type Bolt-On, Includes PVC Liner, Base Features Flush, Base Installation Fixed, Base Material Steel