Sourcing Map Aluminum Spacers Uxcell 10pcs Aluminum Spacer 1/4" Bore X 1/2" OD X 3/8" Length Screw Standoff Bushing Plain 5mm Bore 10mm OD 25mm Length Aluminum Spacer Standoff Versatility: Widely used for applications such as electronics, automotive, construction, and industrial machinery to provide precise spacing and thermal management. Size: 5mm inner diameter aluminum spacer, 10mm outside diameter, 25mm Length. · Material Size: 5mm inner diameter aluminum spacer, 10mm outside diameter, 25mm Length. Spacers and standoffs are widely available from various sources. You can consider purchasing them from local hardware stores, specialized industrial suppliers... Heat Dissipation: Aluminum has good thermal conductivity, allowing it to efficiently dissipate heat from electronic components. M5 Aluminum Spacers, 10 Pcs Metal Spacer Aluminum 5.2mm ID X 12mm OD X 25mm L Aluminum Spacer Screw Standoff Round Fits M5 screws bolts and rod bars