Long screws are used for position. | They are made of carbon steel, and durable. | Include 30pcs long/ short screws to satisfy your need. | Short screws has flat head and self tapping design. | Easy to install to fix your computer cooling fan.

2pcs Eyepiece Cover 33mm Inner Diameter Binocular Rubber Eyepiece Eye Guards Cups Shield for 33mm Stereo Microscope Eyepieces Eyeshields | Foldable eye with flat sides. The inner diameter is 33mm ( the place to be connected to the observation end of the lens ). | This model can be folded, suitable for 33mm microscope eyepieces, telescopes and other lenses ( more suitable for wearing glasses, higher comfort ). | Eye masks are made of rubber. Rubber is elastic. So in addition to looking at the inner diameter of the eye, you should also consider rubber that is elastic and can be stretched. | The soft rubber can be folded.Easy to use.Durable and practical.

Double head crowbar design, you can open different sizes digital device. | Suitable for disassembling laptop, tablet and smart phones | Widely used in mobile phones, laptops, laptops and other electrical maintenance work, not easy to scratch electrical components. | Anti-corrosion and labor-saving, convenient to use. | Made of high quality material for lasting use.