Cir-Kit Concepts Mini Drill with Bit #CK201 If you've ever had to drill small holes in hardboard materials you know there has to be a better way. The pin vise method sometimes just isn't fast enough. Enter our high-speed hand drill. This drill has been specifically designed for the hobbyist who must work with all types of material. The overall length is a mere 4-1/2", making it one of the most maneuverable drills available. A 3 to 1 gear ratio gives the drill its fast drilling capability and high torque characteristic. 1in to 1ft. 1:12 Scale. This is sized for a dollhouse. Detailed scale model for adult collectors. Not intended for children under 14.