工具

360-degree measurement one-foot multi-use two-in-one digital display angle ruler protractor digital display angle ruler black vernier caliper 3V button battery With automatic power-off function, save power consumption, Extend battery life push out battery compartment button

Double-headed metal sheet cutter Electric drill substation punching shear Iron sheet electric scissors cutting machine curve hole opener Cutter, electric drill, electric punching, shearing, iron sheet, electric scissors, cutting machine, curve hole opener, double-headed metal sheet

Temperature measurement range: -50℃～110℃ Temperature measurement error: ±3℃ Resolution: 0.1℃ Sensor model: NTC (10K/3435) Working voltage: 1.5V Working current: MAX 4UA Working temperature: 0℃～50℃ Storage temperature: -10℃～60℃ Machine size: 4.8cm×2.8cm×1.5cm Embedded opening size: 4.6cm×2.7cm Standard configuration: 1 meter waterproof probe

Computer digital wash clean dust ear ear ball to blow blow the balloon blowing dust ball bellows blow gas Product use: Clean optical lens, can also be used to clean the digital camera, digital video camera can also clean the computer mainframe, high-grade watch movement contour precision equipment Product features: Blowing balloons in pieces using the German import latex material and anti-aging not degum, elastic, do not fade tentacles not sticky; Winter will not stiff Pieces enough to blow gas, let more dust, nowhere to hide; In pieces the neck of the balloon blowing blowing mouth and sphere (junction) with increasing processing, not easily bend, effectively prevent the mouth touch lens damage in the process of use; Use skills: U in the use of blowing balloons, attention should be paid to avoid blowing ash to can't clean up the place. Blowing the lens should be down in principle, the greatest degree of avoid ash into the camera lens. And squeeze the sphere to speed, so as to genera