They were great for their time and price. I prefer the hex bar as I use a rechargeable drill with a quick change bit holder. Holds beats much better.
Pros
Multi-Purpose Drill Bits - drill bits are designed for all-round use and are great for steel, copper, aluminium, zinc alloy, cast iron, wood and plastic. They are ideal for general contractors and professional installers. Ideal for DIY projects and DIY projects.