Check the listing for details. 1/2 BSF CARBON SECOND TAP-THREADING TOOL FROM CHRONOS ENGINEERING SUPPLIES. Condition: New. Listed at 10.69 USD. VISIT OUR EBAY SHOP- WE STOCK A HUGE RANGE OF ENGINEERING TOOLS AND ARE MAIL ORDER SPECIALISTS MACHINE TOOLS - LATHE ACCESSORIES - MILLING TOOLS - COLLET CHUCKS - DRILLS - TAPS - DIES - REAMERS - ENDMILLS - SLOT DRILLS - INDEXABLE TOOLING - ROTARY TABLES - DIVIDING HEADS - TOOLMAKERS CHESTS - LATHE CHUCKS AND BACKPLATES - ENGINEERING BOOKS & DVD'S - KNURLING TOOLS - PARTING TOOLS - OPTICAL AIDS - BORING HEADS - MILLING & DRILLING VICES - CLAMPING KITS - DRILL CHUCKS - COLLETS - BANDSAWS & BLADES - VERNIERS - CALIPERS - MICROMETERS - DIAL GAUGES - DIGITAL EQUIPMENT - GRINDING WHEELS - FILES - DIAMOND SHARPENERS - AIRBRUSHING EQUIPMENT - NUTS , BOLTS AND WASHERS - METAL STOCK - WOODWORKING TOOLS - SOLDERING AND BRAZING EQUIPMENT - ETC ETC NOTE - IF YOU ARE ORDERING FROM OUTSIDE OF THE UK YO.