Confined Space Hoist Wall Mount Sleeve, Height 9 1/4 in, Width 4 1/4 in, Features Mounts to Vertical Concrete or Steel Structures, Compact Design, Length 10 in, Color Silver, Mounting Location Wall, For Use With Mfr. No. DH-19-MILLER, Mfr. No. DH-3, Mfr. No. MR50GC-Z7/50FT, Tensile Strength 5,000 lb, Compatible Component One-Piece Arm, Finish Not Applicable, Confined Space Component Base, Weight Capacity 450 lb, Mounting Type Bolt-On, Includes PVC Liner, Base Installation Fixed