10/15Pieces/set 3mmx5mmx7mm Needle Bearing Dual Drive Gear Extruder For Btech

Features:
Brand new and high quality
Greatly improve the accuracy, save time and convenient for operation.
Great workmanship, with strict quality control and quality assurance, high safety factors, can be used with peace of mind.
It is light in weight, small in size, convenient for you to store and manage, will not take up too much-space.
Made of high-quality materials, exquisite workmanship, very good quality and long service life.
Replaces old/broken/crack/damaged/bad needle bearing.

Specifications:
Material:Metal
Type:10PCS/15PCS
Inner diameter: 3mm
Outside diameter: 5mm
Length: 7mm

Note:
1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Package includes:
2 Optional Package:
Package 1 include:10x Needle Bearing
Package 2 include:15x Needle Bearing