LBWF Mini Bluetooth Wireless Finger Ring Mouse, 2.4GHz Lazy Finger Rings Optical Mouse,Photoelectric Resolution 1600Dpi for Computer, Laptop, Tablet
✅《DPI Cursor》Designed with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 500(LOW), 1000(MID) and 1500(HIGH) DPI, making the movements of your cursor faster or slower..
✅《Easy Maintenance 》The ball rolls on three 2.5 mm large artificial ruby ball bearings. They are extremely smooth and the relatively large size prevents dust and dirt from clogging them. So you don’t have to clean the ball bearings too often. The ball is held in place by the ball bearings, but can easily be popped out of the device, by pushing it through the hole in the bottom and it can be easily cleaned..
✅《Product Details》System requirements: Windows 7, Windows 8, Windows 10 or later, macOS 10.13 or later, Size: W4.5"(114.7mm) X L7.2"(181.9mm) X H2.3"(57.2mm), Weight: 9.2oz(without battery), DPI: 500/1000/1500 count (switchable), Connectivity: wireless, 1 X AA battery(Included)- Battery Remaining Light Lamp equipped..
Material: Carbon steel, durability and resistance to deformity under heavy loads..
Widely Use : Motor,skateboards, inline skates, scooters or other skating applications etc.
Our 608-2 RS bearings Shields on both sides keeping lubricant in and contaminants out..
Attention : We Used some rust protection oil on the bearings,if you dont want the bearings get rusty pls do not put it on the damp place.also when use you'd better use gloves to touch the bearings to prevent it get rusty, as your finger with sweat..
uxcell LM8UU Linear Ball Bearings 8mmx15mmx24mm Carbon Steel for CNC Machine 3D Printer 10pcs
Quantity & Size - These linear motion bearings have a total of 10 bearings for different projects, size about 12 x 20 x 30mm: 12mm inner diameter, 20mm outer diameter, 30mm height.
LM12UU Bearings - Linear motion ball bearing is made of high quality bearing steel for low noise and long service life.
Excellent Rotating Accuracy - Prevent tilt friction between the roller of roller.
Double sealed to avoid contaminants entering and save lubricant.
Smooth Running - Moment of inertia is low, low starting torque, easy to control the angle degree, runs smooth on rods.
These ball bearings are great for small hobby 12mm shaft or rod projects.
Widely Used - LM12uu linear bearing is widely used in automation equipment / Electronics / Instrument / Robot / Food machinery / Packaging machinery / CNC machinery.