The 2GT Belt is a timing belt built with Neoprene rubber with fiberglass core  and having width of 6mm. It is suitable for 3D printers.

The 3D Fan With Holder  is a holder that comes with a fan of power 12V. It comes with a30mm fan for cooling. It is useful in computer case and other DIY projects. It is suitable for J-head 3D structure,one cooling fan and holder.

The Nozzle 0.4 mm is a extruder brass nozzle print head . It is suitable for Spray, Oil injection, Flame plating and many more.

The material of this product made it easy to load and unload too. It is not easy to damage. (directly put the fan cover on the radiator, gently press can complete the installation). For better hold of the radiator, it has an inner wall with a card mark. It has a unique surround type design that has close contact with the radiator made the wind trapped in the radiator, preventing the heating block from heating. It is designed funnel-shaped to strengthen the wind of the fan and achieve good heat dissipation.
 

It is a single head MK8 extruder that has great quality and gives the best performance for DIY and professional systems. After adding a holder users can assemble their dual head extrusion. It has a 0.4mm nozzle diameter.

It is known as "mature glass". It completely meets the international environmental protection test standard. High-temperature resistance and not easy to deform. This is not possible with ordinary glass or tempered glass Low coefficient of expansion, high softening point, and good thermal conductivity.  It does not break due to thermal expansion and contraction. It has a flat and smooth surface and also durable to use too.

The 20 cm Threaded Rod is a Stainless Lead CNC Linear Shaft Rail Screw Rod of 200 mm total length. It has a pitch and diameter of 2 mm and 8 mm respectively. It has various features like: - Durable and easy to use, used in stepper motor, Machine Tool, and other equipment, direct connected to bearing , stainless function and many more. It can be suitable for 3D printers, engraving machine, XYZ module, slider, lifts etc. It is also useful for many CNC projects as well.

The 3D Printer Motor Coupling is a 5 mm to 8 mm Shaft Coupling Aluminum Alloy Stepper Motor Coupler Joint Connector Module. It has a feature of flexibility which removes stress between the motor and driving components. It is suitable for application like: -CNC machines encoding, 3D printers Z shaft coupling which simplifies the debugging difficulties.

NEMA 17  Stepper Motor BIG is for 3D printer applications and CNC applications and other various applications too. This device demands low speed with high precision. It is used in many machines such as 3D Printers, CNC Router and Mills, Camera Platforms, XYZ Plotters, etc. Nema17 4 wire Bipolar Stepper Motor is High precision 4–wire bipolar stepper motor, size in Nema 17, 1.8 deg. step angle (200 … It is one of most parameters for the stepper motor. Users can use the A4988 or drv8825 driver to run this motor.

The Nema 17 Stepper Motor is a High Torque Stepper Motor Module with 1.8 Deg. Step Angle (200 Steps per Revolution) were each phase draws 2A of current, allowing for a holding torque of 45Ncm (63.7oz.in) respectively. This Nema 17 Stepper Motor Module can be suitable for various applications like: - Rostock and similar 3D printers, RepRap Prusa, CNC and robotics and so on. This motor is supplied with a 1 metre long power cable with a 4-pin Harwin female connector which is already fitted and ready to plug and print as well. 

It has a high-quality shiny surface appearance and robust construction, longer working life. The rounded teeth of this tooth and belt are engaged together longer providing a smoother transition between teeth, good performance for 3D printers. It is applicable in the 3D printers, CNC, and other robotics with timing belt pulley, GT2 timing belt pulley system especially suited for linear movement and positioning, and it’s good for GT2 6mm Width Belt.

The Rod Holder Old is a SK8 Anodized Aluminum Alloy material made Rod Holder Module. It is designed for use in small Numerical control machines, linear stages, 3D printers and other devices using 8mm diameter linear shafts.