YINETTECH 4 Pack M10 Stainless Steel Spacer Bushing 304, ID 10.2mm OD 16mm L 20mm for Valves Sealing Cylinder Heads Sealing

["M10 spacer bushing compatibility: designed for spacing and alignment tasks, compatible with M10 bolts, threaded rod, and hardware systems for machinery, fixtures, jigs, and assembly projects.","304 stainless steel spacer material and size: inner diameter 10.2 mm for M10 clearance, outer diameter 16 mm, length 20 mm, smooth surface aids precise stacking and repeatable spacing in mechanical setups.","M10 standoff sleeve function: acts as a rigid sleeve to prevent over tightening, maintain gap, support bearings or pulleys, and center components on shafts during fabrication and repair work.","M10 bolt spacer applications: use in automotive brackets, robotics frames, 3D printer builds, furniture assembly, shop fixtures, and outdoor installations, compatible with M10 hardware across DIY and professional tasks.","Corrosion resistant spacer usage: 304 stainless resists rust in humid or marine settings, enabling reliable performance indoors or outdoors, slip fit allows quick installation and straightforward replacement."]