• 7 color grip handles
• Screwdriver blades are fully heat-treated
• Material of blade : SAE 6150
• Material of Nut socket: aluminum
• Contents: 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0mm
• Packing: 10set / 30 set / 11.5 Kgs / 12.5 Kgs / 1.3'