Diablo Recessed Lighting Hole Saw DHS5375RL 5 3 8 Inch (Snap Lock Plus Bi Metal 4 TPI 1 7 10 Depth Can Light Wood Drywall Plaster Drilling) Soldering Iron Featuring high performance 1 4 inch and 3 8 inch Featuring high performance 1 4 inch and 3 8 inch drive systems paired with 90 tooth teardrop ratchets that generate an ultra tight 4 degree swing arc alongside KickBack Control anti bind protection and a BC1880 fast charger Body Sightline Cut Out Windows: Open barrel slot geometry provides direct internal visibility to monitor pilot alignment and hole positioning accuracy run your drill motor at medium speed with steady upward pressure and utilize a dust cowl or collection bowl to contain falling gyprock dust and prevent tearing the paper facing