Leveling Mount Leveling Mount Type Swiveling Stud Base Dia 1 1/4 in Height 2.88 in Load Capacity 300 lb Thread Size 3/8 In.-16 Construction Stainless Steel Hex 5/8 in Includes Locking Nut Bolt Length 2 in Finish Stainless Steel Base Material Delrin(R) Bolt Material Stainless Steel Base Delrin(R)