The item is a "Step" Type Drill Bit 3-3/4 in length with an 1/8 in Dia starter tip and then steps up to a 7/32 in Dia. This is used for drilling the correct sized holes in a window screen frame that uses a Plunger Latch for securing the screen into the window frame.
Manufacturer: PRIME LINE PRODUCTS Model Number: P 7922 UPC: 049793879226
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