... Diamond Bit Set with Universal Guide 3.size:dia.4/6/8/10/12mm We have the following workshops: 1. Workshop ... industrial tools, like dies, taps, hss or carbide end mills, counter sinks, step drills, cobalt drills, hobs, reamers, etc. We have ... Australia 5pcs Diamond Bit Set with Universal Guide dia.4/6/8/10/12mm