Material: Made of high quality hard alloy for long time use Head Size: 9mm/10mm/11mm/12mm/13mm/14mm/15mm/16mm/17mm/19mm Ideal for removing sockets, nuts, bolts, screws etc. ( Clamp not included ) Features: Material: Alloy Color: black 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’’ Case size: 17.2 x 7.9 x 3.5cm / 6.77’’ x 3.11’’ x 1.37’’ Package Weight: Approx. 368g Package Included: 10 × Nut Extractor LRFR is committed to providing each customer with the highest standard of customer service.