Sleeve Base, Height 9 1/8 in, Width 4 in, Length 4 in, Color Gray, Mounting Location Floor, For Use With MSA Safety XTIRPA Adapter Base System, Tensile Strength 8,640 lb, Compatible Component Upper Arm Mast, Confined Space Component Sleeve Adapter Base, Weight Capacity 360 lb, Mounting Type Bolt-On, Includes Not Applicable, Base Features Flush, Base Installation Fixed, Base Material Stainless Steel, Base Mount Style Floor Mount, For Use On Concrete Floor, Includes Mounting Hardware No