Features Precision-Ground Steel D-Shafts Ensure Optimal Performance: Connect your wheels and gears seamlessly to power motors efficiently and reliably Anti-Slip D-Shaped Profiles Provide Stability: Prevent unwanted rotation and slipping of wheels and gears, ensuring consistent movement for your projects Customizable Lengths For Versatile Applications: Easily cut the shafts to your desired length using a metal cutting blade, accommodating a variety of project needs Durable High-Quality Stainless Steel Construction: Constructed from premium stainless steel, these shafts offer high hardness and resistance to breakage for long-lasting use Perfect Compatibility With Industrial Robotics: Designed through a strict manufacturing process, these shafts deliver a precise fit and functionality for industrial robot applications Features: 1、Precision-ground steel D-shafts connect wheels and gears to power motors. 2、D-shaped profiles prevent wheels and gears from rotating and slipping on the shaft. 3、Can be cut to your own length with a metal cutting blade according to your needs. 4、Made of high-quality stainless steel, high hardness, not easy to break. 5、After strict manufacturing process, it can perfectly match the industrial robot. Specification: Item Type: Stainless Steel Shaft Quantity: 6pcs per pack Length: Approx. 100mm / 3.9in Diameter: Approx. 4.75mm / 0.2in (D-hole) Weight: 12.9 g / 0.5 oz(approx.) per axle Weight: 84.5 g / 3 oz(approx.) per pack Material: 303/304 stainless steel Package List: 6 X Stainless Steel Shaft Note: Due to the manual measurement, there is a slight error in the sizes, thank you for your understanding. Package List 6 X Stainless Steel Shaft