Diamond Coated Twist Drills Set Wax & Tools Used in conjunction with dapping

Used in conjunction with dapping punches to produce hemispheres

Flexible gooseneck design allows the user to adjust the lamp to various heights and positions

Block measures 5-1/8x 2-1/2x 3/4and contains 27 hemispheric depressions

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

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

Diamond Coated Twist Drills Set Wax & Tools Used in conjunction with dappingWe 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