The 1/2 in was designed for the plumber and electrician to drill larger holes safer and faster. drill your holes up to 2-9/16 in at 1200 rpm and your larger holes, up to 4-5/8 in, at 300 rpm the mechanical clutch in the 300 rpm setting will engage at 70 ft-lb of torque, preventing kick-back. The joist and stud drill's extra length provides more leverage, while its compact head will fit with accessories between standard studs. includes 2-position side handle, chuck key and holder and ball handle.

DeWALT® Stud and Joist Drill, Corded, Kit, 1/2 in Chuck, Keyed Chuck, 300/1200 rpm Speed, 2 Speed, 120 VAC, 11.5 A, Plastic Housing Material, 2-Position Side/Adjustable Front/Bail/Straight Handle, Yellow, Mechanical Clutch/Trigger Switch Control, 21 in Overall Length

• 100% ball bearing construction provides durability and longer tool life
• Adjustable front handle and 2-position side handle provide maximum leverage and control
• Triple gear reduction provides increased torque and reduces gear stress
• Mechanical slip clutch in low gear to provide control of reactionary torque
• Mechanically controlled 2-speed to match rpm/torque to application requirement
• 21 in OAL provides greater control and leverage
• 1-1/2 in capacity in wood (auger bit), 4-5/8 in capacity in wood (self-feed), 6 in capacity in wood (hole saw), 5 in capacity in steel (hole saw), 1/2 in capacity in steel (twist bit)

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/DeWALT_DW124_Manual.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/DeWALT_DW124_Manual.pdf