1. With the and nut remover kit, damaged bolts, nuts and screws can be easily pulled out even if they are worn or rusted. This makes your work and safer and also comes with a sturdy storage Box/Cover to keep everything safe and tidy.
2. 13 piece 3/8" drive nut removal tool kit covering most common imperial and metric sizes: 3/4" (19mm), 11/16", 17mm, 5/8" (16mm), 9/16 (14mm), 13mm, 1/2", 12mm, 7/16 (11mm), 10mm, 3/8 inch, 5/16 (8mm), 1/4 inch.
3. The special internal thread design ensures excellent torsion to grip the bolts, nuts and screws tightly and not let them go. The more you turn, the tighter the socket will grip without you having to worry about it slipping.
4. The nut extractor socket sets and drive are made of high hardness chrome molybdenum steel with black oxide finish for greater strength and durability.
5. Comes with a 3/8" square wrench/1/4" hex adapter, which fits with socket wrench or impact wrench, manual ratchet, universal joint, etc. The through hole design can to the bottom of long fasteners for a firm hold.

Specification:
Item Type: Extraction Socket Set
Material: chrome steel
Color: Black
Purpose: nut extractor
Inch size: 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch Metric size: 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm, 19mm
Quantity: 13 pieces

Packing list:
13 x Extraction Bases
1 x Blue Storage Box/Cover

Note:
Use this tool properly to avoid accidents.