This review is from: Aircraft Tool Supply Ratio Quad Driver (4-1 Ratio)
There are a couple of competing products. This is the best I've found. Lifetime guarantee. Quality construction. Ratio of 4:1 is about right (higher ratio means you almost never use the fast mode). Easy to switch between modes (just hold the ring and turn the handle to go fast, use like a regular screwdriver (turn the handle) to go slow. Quality construction. A very wide selection of bits. good ratchet or fixed action. It replaced three other screwdrivers in my toolkit, all with bits in the handle, one of the three with a fast mode.
(1 customer review)