About this item Function11.6 inch flexible extension bar and 105 degree right angle drill bit attachment and right angle drill bit extension of 105 degrees 1/4 inch. 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.