Specification: 

• Type: 4pcs Hex Screwdriver
• Screwdriver Material: Titanium Nitride Coated 
• Specifications: 4.0mm 5.5mm 7.0mm 8.0mm
• Total Length: 170mm
• Driver Head Length: 100MM
• Handle Length: 90mm
•  Weight: 255g

Package Includes: 

•  1 x 4.0mm Hex Screwdriver
•  1 x 5.5mm Hex Screwdriver
• 1 x 7.0mm Hex Screwdriver
• 1 x 8.0mm Hex Screwdriver