Enhance the precision of your DIY CNC machines with our specially designed linear guide stop. These shaft collars provide secure shaft fixing and accurate positioning, seamlessly integrating with shafts to deliver a reliable stopping point.Featuring quick and effortless installation, our clamp-on shaft collar design ensures full engagement with the shaft. This promotes stability and alignment in various mechanical applications, saving time and improving assembly efficiency.Constructed from high-quality aluminum alloy, each shaft collar in this four-pack is oxidation-resistant and durable. Lightweight yet strong, these collars offer consistent performance in demanding environments.The innovative set screw mechanism enables firm clamping without damaging the shaft. This precise design prevents slippage and maintains calibration under operational stress and vibration.Color: Silver Material: Aluminum alloy Type: SBR16 Package Contents: 4 x Linear Rail Stop Collars Note: The actual product may have slight color variations due to lighting and display differences, which do not affect functionality. Measurement error allowance: +/- 1-3 cm. Only the items listed above are included.