Diamond Coated Twist Drills Set Wax & Tools Constructed with recycled paper and

Constructed with recycled paper and biodegradable materials

More than 65 metalworking techniques are clearly explained in this invaluable reference tool with over 500 illustrations

Used to hold rings with vise-like grip while polishing

Used in conjunction with dapping punches to produce hemispheres

A direct-vision spectroscope designed for quick gem testing and colour analysis in your bench toolkit

Diamond Coated Twist Drills Set Wax & Tools Constructed with recycled paper andWe have added a medium fine grit diamond coating to the tips ofhigh speed twist drills to drill stone, ceramic, glass and other hardnon metallic materials. The drills are made of superior high gradesteel. Available individually or in sets of twelve. Dr