This is a 1piece pillar fixing clamp crafted from aluminum alloy, designed for vertical fastening and fixeddiameter mounting. It is intended to secure a 15x15 pillar or crossblock assembly to a steel pipe or frame, supporting precise alignment of optical axis components and related hardware. Key benefits Stable, precise mounting: provides a rigid connection for vertical pillars and cross blocks, helping maintain alignment over time. Lightweight and durable: aluminum alloy construction combines strength with low weight and good corrosion resistance. Simple installation: designed for straightforward fastening to compatible pillars and frames with minimal setup. Spaceefficient design: compact form factor suits tight spaces in benches, frames, and rigs. Broad compatibility: suitable for pillar fixing, vertical fastening, and fixeddiameter mounting applications involving steel pipes and opticalaxis components. Key attributes Functionality: pillar fixing clamp for vertical mounting with a fixed diameter fastening option. Compatibility: designed for 15x15 pillar profiles, cross blocks, opticalaxis setups, and steelpipe mounting systems. Size: 15x15 dimension indicated in the product title, suitable for standard 15x15 pillar components. Material: aluminum alloy, offering strength and light weight. Performance: provides secure retention of vertical pillars and crossblock assemblies, supporting reliable alignment in optical and mechanical setups. Typical uses Optical bench and laser alignment: mount an optical axis cross block to a steel frame or pipe, ensuring stable, repeatable positioning. Modular machine frames: attach a vertical pillar to a steelpipe framework in CNC or custom automation rigs. Lab and jig installations: fix vertical pillars in measurement rigs or fixtures where precise pillar alignment is required. Specifications at a glance Quantity: 1 piece Material: aluminum alloy Mounting: pillar fixing clamp for vertical fixeddiameter applications Size/fit: compatible with 15x15 pillar profiles and related crossblock/opticalaxis components Mounting surface: designed to fix to steel pipes or similar frames This clamp offers a clear, credible solution for securing vertical pillars and crossblock assemblies in optical, laboratory, and machinebuilding contexts, with a focus on durability, ease of use, and reliable performance.