This 1PCS linear slider is designed for use with SC35UU rails and features an inner diameter of 35 mm. It serves as an optical axis support base for CNC and 3D printer applications, providing a compact and reliable platform for precise linear motion. Key benefits Enables precise, smooth linear motion along a 35 mm axis, suitable for CNC and 3D printer projects Provides a stable optical axis support base for accurate alignment and mounting of optical components Easy to integrate with standard SC35UU rail systems, improving rigidity and stability in gantries and other assemblies Compact, lightweight base that can be used as a dedicated slider or as part of a larger motion system 1 piece per package for straightforward installation and inventory Key attributes Quantity: 1 piece Model: SC35UU linear slider Inner diameter: 35 mm Functionality: Linear guide slider with optical axis support capability Compatibility: Designed for SC35UU rail systems and related CNC/3D printer components Size: Inner diameter 35 mm Material: Not specified in listing Performance: Intended to provide stable, smooth linear motion suitable for precision applications Category: CNC accessories, 3D printer linear guide slider Use cases Optical axis assembly: Use as a base to align and support an optical axis in laser engravers or precision measurement setups, leveraging the 35 mm bore for compatible components 3D printer or CNC gantry upgrade: Install as a dedicated slider to improve X or Z axis motion reliability and alignment in hobbyist or lightindustrial machines Precision alignment base: Employ as a stable support base for mounting sensors, cameras, or other alignment devices in CNC or automation projects Note Material is not specified in the listing; base functionality relies on compatibility with SC35UU rails and standard 35 mm optical and mechanical components Suitable for hobbyist and professional applications where a 35 mm bore linear slider with an optical axis support base is required