• 8pcs hex key( Pocket) 
  
• Size：2mm, 2.5mm,3mm,4mm,5mm,6mm,7mm,8mm. 
  
• Material：Cr-V 
  
• Heat treatment and chrome plate 
  
• Packed by plastic hanger

Features:

• A hex key or Allen key is an easy tool utilized to operate bolts and screws with hexagonal sockets in their foresight.
• The device is usually gripped and turned with a long arm, forming a solid twist on top of the short arm.
• The tool is generally formed of a fixed steel hexagonal rod.
• The contact covers of the screw or bolt are preserved from external damage.
• There are six contact covers between bolt and driver.
• The device is easy, small, and light.
• The tool enables the use of headless and recessed-head screws.
• Strong, rigid, steel handle for secure transport of loads
• Its slim compact design ensures smooth handling