Leveling Mount Leveling Mount Type Swiveling Stud Base Dia 1 1/4 in Height 4.88 in Load Capacity 3750 lb Thread Size 3/8 In.-16 Construction 316 Stainless Steel Hex 5/8 in Includes Locking Nut Bolt Length 4 in Finish Stainless Steel Base Material 316 Stainless Steel Bolt Material Stainless Steel Base 316 Stainless Steel