... : 1.Item No:ST0004-B3 2.5pcs Diamond Bit Set with Universal Guide 3.size:dia.4/6/8/10/12mm We ... dental tools, jewellery tools and industrial tools, like dies, taps, hss or carbide end mills, counter sinks, step drills, cobalt drills ... Japan, Germany, the USA and Australia 5pcs Diamond Bit Set with Universal Guide dia.4/6/8/10/12mm