Features 1、The standoff is mainly used as an accessory in the field of robotics, which plays a supporting role, and can be installed with idlers or bearings or as a shaft. 2、Both ends have standard M4 x 0.7mm female threads, the connection is accurate and not easy to fall off. 3、Made of high-quality aluminum material, high strength and strong ductility, not easy to wear after long-term use. 4、The length of the pillar is 38mm, which extends the connection between the two workpieces, and the lengthened thread will be more tight. 5、The kit contains 4 aluminum standoffs for various connection and support operations for easy replacement. Specification Item Type: Standoff Model: 3501-0006-0380 Material: Aluminum Screw Hole: M4 x 0.7mm Outer Diameter: Approx. 6mm / 0.2in Length: Approx. 38mm / 1.5in Application: Accessories in the field of robotics, supporting role, can be installed with idler wheels or bearings or as shafts. Package List 4 x Standoff