OTTFF 2 Pack Black Floor Mount Post Base for T Slot 4040 Aluminum Profile, Carbon Steel Flange Anchor Bracket

Specification Material: Low carbon steel Finish: black powder coating Thickness: 2.7 mm and 4 mm Inner Width: 1-9/16" (41 mm) Base Plate Hole Size: 17/32" for 1/2" Bolt Post Slot Hole Size: 22.5 x 9 mm for 5/16" Bolt Hole Spacing (On Center): 2-3/4" (70 mm) Slot Hole Spacing (from End): 1-1/2" Fit for 40 x 40 mm (40 Series) Aluminum Extrustion Profile Product Size: 4" x 4" x 4-3/4" Package Size: 5-7/8" x 4-5/16" x 4-5/32" Weight: 1.3 lbs per post base, 2.7 for 2 bases Packing List 2 x Floor Mount Post Base for 4040 Aluminum Profile