Irwin Marples 3/8 In. x 3-1/2 In. Reduced Forstner Drill Bit PEX Sleeve they are one piece forged

they are one piece forged brass with a mechanical safety stop to prevent accidental opening of valve and a quarter turn handle to operate as an on/off system

P profile for medium gaps

2 Independent Poles

light fixture rated

Non-slip serrated jaw of tough molybdenum steel holds material firmly and uniformly spreads cutting force across blade edge

Irwin Marples 3/8 In. x 3-1/2 In. Reduced Forstner Drill Bit PEX Sleeve they are one piece forgedBores perfectly smooth, flat bottomed holes. More accurate holes at any angle. Use for boring overlapping holes or pocket holes. Starts the bit cleanly, even or uneven surfaces. Reduced shank fits 3 8' and larger drills and drill presses.