Overview Multi-functional: Hand-automatic integrated design for versatile use. Precision: Ideal for delicate repairs on electronics like phones and computers. Durable Material: S2 alloy tool steel construction for long-lasting performance. Versatile Kits: Available in multiple configurations (44-in-1, 128-in-1, etc.) for varied needs. Specifications Material: S2 alloy tool steel Weight: 0.4697 kg (varies by kit) Magnetic: Yes Set Type: Yes (multiple kit options) Kit Options: Plastic case 44-in-1 Aluminum case 44-in-1 128-in-1 compact set 39-in-1 electric screwdriver (black/yellow) 50-in-1 electric screwdriver 71-in-1 precision set Packing List Electric screwdriver*1 Assorted bits*varies (depending on kit) Storage case*1