Feature: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: StandoffModel: 3501-0006-0380Material: AluminumScrew Hole: M4 x 0.7mmOuter Diameter: Approx. 6mm / 0.2inLength: Approx. 38mm / 1.5inApplication: Accessories in the field of robotics, supporting role, can be installed with idler wheels or bearings or as shafts..Package List:4 x Standoff