Marker Bands Platinum Iridium Marker Bands Marker bands are typically available in the following specifications:min | maxOutside diameter: 0.2 mm | 12.5 mmWall thickness: 0.02 mm | 0.5 mmSurface roughness:Internal 32 Rms (Ra 0.8)External 8 Rms (Ra 0.2) Tantalum Marker Bands Marker bands are typically available in the following specifications:min | maxOutside diameter: 0.2 mm | 12.5 mmWall thickness: 0.02 mm | 0.5 mmSurface roughness:Internal 32 Rms (Ra 0.8)External 8 Rms (Ra 0.2) Stainless Steel Marker Bands Marker bands are typically available in the following specifications:min | maxOutside diameter: 0.2 mm | 12.5 mmWall thickness: 0.02 mm | 0.5 mmSurface roughness:Internal 32 Rms (Ra 0.8)External 8 Rms (Ra 0.2) Buy Marker Bands Online Take a look We also offer high-quality gold marker bands, niobium marker bands, and titanium marker bands, etc. Get in touch with us and let us know your requirements.