features：
- 100% and high quality
- they are manual head screwdriver
- applicable for installing in electric screwdriver, hand screwdriver, electric drill and other tools
- high biting level reduces damage to the screw head , the head of screwdriver is magnetic
- adopts the cr-v manufacturing skill and overall high-frequency quenching, super hardness, high torque, long lifetime
- storied in upper and lower plastic case, provides different models to choose, easy to use and carry

specification：
- shank diameter: 1/4 inch
- color：as the picture show
- material：crv6150
- weight：224g
- length：2.5cm0.98&quot;
- tamperproof torx: t8 / t10 / t15 / t20 / t25 / t27 / t30 / t35 / t40
- spanner sizes: 4mm/ 6mm / 8mm / 10mm
- torx bits: 6mm / 8mm / 10mm
- tri wing bits: 1mm / 2mm / 3mm / 4mm
- imperial tamperproof hex bits: 5/64&quot; / 3/32&quot; / 7/64&quot; / 1/8&quot; / 9/64&quot; / 5/32&quot;
- metric tamperproof hex bits: 2mm / 2.5mm / 3mm / 4mm / 5mm / 6mm
- 1 x magnetic bit holder for any drills

package included：
1 set (33pc)

note: 1.please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
2.due to the difference between different monitors, the picture may not reflect the actual color of the item. thank you!