Specification: 1.RC Car Stand Work Station Length: 140mm / 5.51in Width: 120mm / 4.72in Adjustable Height: 145-170mm / 5.71-6.69in 2.Electric Screwdriver Length: 210mm / 8.27in Voltage: 4.2V Rotational Speed: 300 r/min Battery Capacity: 2000mAh Maximum Torque: 3.5-5N/M Charging Port: Micro USB Charging Time: 3-5 hours 3.Magnetic Wristband Length: 38cm / 1.25ft Width: 9cm / 3.54in Weight: 55g/ 1.94oz 4.Screwdriver Bit Set Length : 50mm / 1.99in Hex Bit: 1.5mm, 2.0mm, 2.5mm, 3mm Flathead Bit: 4.0mm, 5.0mm Phillips Bit: 4.0mm, 5.0mm Surface Treatment: Quenched and Tempered with Blueing 5.Hex Socket Square Drive: 6.35mm (1/4) Hex Drive: 6.35mm (1/4) Hex Size: 4.0mm, 5.5mm, 7.0mm, 8.0mm Length: 26mm / 1.02in Surface Treatment: Polished Mirror Finish with Chrome Plating 6.Square-Hex Adapter Length: 65mm / 2.56in Square End: 6.35mm (1/4) Hex End: 6.35mm (1/4) Surface Treatment: Polished Mirror Finish with Chrome Plating 7.Cross-head Hex Socket Hex: 4.0mm, 5.0mm, 5.5mm, 7mm Surface Treatment: Polished with Chrome Plating 8.Magnetic Srew Tray Length: 106mm / 4.17in Width: 86mm / 3.38in