Product Description Material: Chrome Molybdenum Steel Size: hex size: 9, 10, 11, 12, 13, 14, 15, 16, 17, 19mm Quantity: 1 pcs Package Content: 1 x Household Combination Tool 1. Size: This bolt extractor set is suitable for size 9, 10, 11, 12, 13, 14, 15, 16, 17 and 19mm heads. 2. Material: Made of alloy, they are of strong strength and long service life. 3. Easy to Carry: Comes in a handy blow molded storage case, which is easy to store and carry. 4. Unique Design: Spiral cut teeth provide positive grip to remove rounded or damaged bolts. 5. Application: This is a 10-piece set of nut remover that used to remove nuts, bolts, screw heads, studs, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin