Fourpack shaft collars made from quality aluminum alloy. Light yet robust, these collars deliver consistent performance in demanding environments. Key benefits Function: clampon shaft collars securely fix shafts and provide precise positioning; designed to work with a specially designed linear guide stop to improve overall accuracy. Performance: lightweight aluminum alloy offers good strength for daily mechanical use while keeping overall weight down. Compatibility: engineered to engage fully with the shaft for stable, repeatable stops in compatible shaft systems. Installation: quick and effortless clampon design minimizes setup time and keeps alignment intact during assembly. What you get Four shaft collars in a single pack for convenient replacement and multipleaxis setups. A design that supports reliable stopping points when used with a linear guide stop, enhancing positioning accuracy on DIY CNC projects. Recommended applications DIY CNC machines and routers: use as end stops and shaft stabilizers to achieve repeatable tool positioning and carriage stopping points. 3D printers and compact automation: secure drive shafts and maintain precise axis alignment for smooth motion. Robotic and automation systems: reliable shaft fixing and accurate positioning in compact, spaceconstrained installations. Specifications and use notes Material: aluminum alloy (lightweight and sturdy) Design: clampon shaft collar with full engagement to the shaft for stability and alignment Pack size: four collars per set Performance: suitable for demanding environments where reliable stopping points and consistent shaft fixation are required