These are builder tabs for people on a budget. These are puzzled into our sheets when making other products- so we can offer them at a lower cost. All Economy Builder Tabs are laser numbered to avoid confusion. Sold Individually.
Features:

• 2 1/8 Inch width Overall
• 5/8 Inch Hole
• 3/16 Inch Thick (.175 Inch, 4.45 mm)