Toyella Non-Slip Broken Nut Bolt Extractor Sleeve Long and short set

hot Features: This is a set of 10 tough tools to help eliminate nuts bolts screw heads earrings etc. It adapts to heads of size 9 10 11 12 13 14 15 16 17 and 19mm. Spiral cut teeth provide a positive grip to eliminate rounded or damaged bolts. Made of hard alloy they are of strong strength and long durability. These tools can be driven with a metric wrench or plug for quick work. All these tools are packed in a box for easy storage and transport. Specifications: Material: Alloy Color: Black Adjust head size: 9mm / 0.35`` 10mm / 0.39 11mm / 0.43 12mm / 0.47 13mm / 0.51 ... 14mm / 0.55 15mm / 0 59 16mm / 0.63 17mm / 0.67 ... 19mm / 0.74 Box Size: approx. 17.2 x 7.9 x 3.5 cm / 6.77 x 3.11 x 1.37 Package weight: approx. 368g Graphite crucible mini furnace gold torch metal melting: 1x10 pieces / set of nut remover