Features:_x000D_ _x000D_ This is a set of 10 pieces sturdy tools to help remove nuts, bolts, screw heads, studs, etc. _x000D_ It fits heads sized 9, 10, 11, 12, 13, 14, 15, 16, 17 and 19mm. _x000D_ Spiral cut teeth provide a positive grip to remove rounded or damaged bolts. _x000D_ Made of hard alloy, they are of strong strength and long durability. _x000D_ These tools can be driven with a metric spanner or socket for fast work. _x000D_ All these tools are packed in a case for easy storage and transportation. _x000D_ _x000D_ Specifications:_x000D_ Material: Alloy_x000D_ Color: Black_x000D_ Fit 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_x000D_ Case Size: Approx. 17.2 x 7.9 x 3.5cm / 6.77'' x 3.11'' x 1.37''_x000D_ Package Weight: Approx. 368g_x000D_ _x000D_ Package Included:_x000D_ 1 x 10Pcs/Set Nut Remover Kit 1、This is a set of 10 pieces sturdy tools to help remove nuts, bolts, screw heads, studs, etc 2、It fits heads sized 9, 10, 11, 12, 13, 14, 15, 16, 17 and 19mm 3、Spiral cut teeth provide a positive grip to remove rounded or damaged bolts 4、Made of hard alloy, they are of strong strength and long durability 5、These tools can be driven with a metric spanner or socket for fast work