Function11.6 inch flexible extension bar and 105 degree right angle drill bit attachment and 105 degree 1/4 inch right angle drill bit extension. Material: Alloy steel right angle drill bit with magnetism; steel and rubber extension bar; rust and corrosion protection, durable polished edges to prevent cuts. Bit Sizes Flexible Corner Extension Bit: 11.6 x 1/4 inch. 105 degree right angle drill bit attachment: 2.16 x 1.25 inch. Wide UseRight angle shank is standard 1/4", helps you get out of opportunities when you need power but you're stuck at full angles;flexible extension bit is universal in all directions and lets you get into those tough spots Notice These tools are great for light, slow speed/screw drills such as cordless drills, ratchet drivers, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.