Set type: multi-functional combination set Number of pieces included: 135 in one Material: Chrome vanadium alloy steel Weight:0.8Scope of application: precision instruments Material: Steel Series: 135 in one black and gray, 135 in one red, 135 in one blue,135 in one purple, 135 in one yellow Product series: Screwdriver set Cross-border parcel weight: 0.8 kg Unit weight: 0.8kg