Assortment of 50 flush head style hole plugs commonly used in a variety of professional applications in automotive sheet metal, heating and ventilating, and body shops and the garage. Attractive plug fits sheet metal up to 0.080 thick. Installs easily and securely. Made of durable black polyethylene material. Individually bagged by plug size. Each order contains 10 pieces 1/4” 5 pieces of each of the following 3/8” 1/2” 3/4” 1” 1 1/4” 1 1/2” 1 3/4” 2” For a total of 50 plugs. These plugs are for the size of hole they will fill. They heads are a little bit wider to keep the plugs from going through the hole. Please see images for what the plugs look like. These are designed for use in sheet metal and plastic to plug holes and will snap into a cleanly drilled properly sized hole of your hole is slightly oversized you may need some sort of glue or sealant to hold them in place. MAXIMUM MATERIAL PLUG IS INSERTED INTO THICKNESS .080" Unless otherwise specified below Item Hole Size (IN) Hole Size (mm)Metal Thickness (IN) Metal Thickness (mm)Dim A (IN) Dim B (IN) Dim C (IN) 1/4" .24 - .25 6.10 - 6.35 0.02 - 0.07 0.51 - 1.78 0.21 0.50 0.28 3/8" .37 - .38 9.40 - 9.65 0.02 - 0.05 0.51 - 1.27 0.19 0.75 0.41 1/2" .49 - .51 12.45 - 12.95 0.03 - 0.08 0.76 - 2.03 0.25 0.86 0.54 3/4 .73 - .76 18.54 - 19.30 0.05 - 0.11 1.27 - 2.79 0.291.010.79 1" 1.00 25.40 0.03 - 0.08 0.76 - 2.03 0.251.381.04 1 1/4" 1.25 31.75 0.03 - 0.08 0.76 - 2.03 0.251.621.29 1 1/2" 1.50 38.100.03 - 0.080.76 - 2.030.251.881.