Specification Brand : Akozon BulletPoint1 : [Versatile Use] for spacing surfaces apart, reinforcing structural support, or mounting idlers, bearings, or shafts. BulletPoint2 : [Premium Material] Made of high-strength aluminum, ensuring durability and wear for long-term use. BulletPoint3 : [Precise Fixing] Features standard m4 x 0.7mm female threads at both ends, providing precise fixing for enhanced stability. BulletPoint4 : [Easy Installation] Kit includes 4 aluminum standoffs, commonly used in robotics, making installation and replacement hassle-. BulletPoint5 : [Extended Length] With a total length of 60mm, extends the connection between workpieces for a tighter threaded connection. ItemName : Aluminum Tube Extension Support Column for Robot Accessories Set of 4 ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : robot-parts Manufacturer : Akozon ModelName : Akozonzrde0b47mu ModelNumber : Akozonzrde0b47mu PartNumber : Akozonzrde0b47mu ProductDescription : Spec: Item Type: Standoff Model: 3501-0006-0600 Material: Aluminum Screw Hole: M4 x 0.7mm Outer Diameter: Approx. 6mm / 0.2in Length: Approx. 60mm / 2.4in Application: Accessories in the field of robotics, supporting role, can be installed with idler wheels or bearings or as shafts.