General Tools SPC606 Jewelers Screwdriver, Set of 5 5 Blade Micro Screwdriver Set This product is highly durable This product is manufactured in China. This jewelers screwdriver set is ideal for repairing jewelry, cameras, watches and eyeglasses as well as assembling subminiature parts Black oxide blades ensure a precise fit and are better for delicate work; knurled handles provide a better grip of the screwdriver A swivel head allows more torque to be applied to each blade while using the screwdriver; The screwdriver set comes in a fitted vinyl case Nickel-plated screwdriver bodies resist corrosion and wear This screwdriver set includes five interchangeable blades measuring 0.100, 0.070, 0.040 straight, #0 crosspoint bit, and a scratch awl