YDC 50 Pack FC to SC Adapter FC/SC Fiber Coupler Flange Type Fiber Optical Adapter Connector for Server Rack Patch Panel Patch Cords auspowers_batchfour - Use the brass bristles

- Use the brass bristles brushes to clean the unfinished metal parts without scratching the surfaces or fine features

Made of Carbon Steel and lasting performance Note: Since the measurement tools are different

Try this with a flimsy plastic spoon

Rounded Corners

YDC 50 Pack FC to SC Adapter FC/SC Fiber Coupler Flange Type Fiber Optical Adapter Connector for Server Rack Patch Panel Patch Cords auspowers_batchfour - Use the brass bristlesYDC 50 Pack FC to SC Adapter FC SC Fiber Coupler Flange Type Fiber Optical Adapter Connector for Server Rack Patch Panel Patch Cords 50 Pack FC to SC Adapter FC SC Fiber Coupler Flange Type Fiber Optical Adapter Connector for Server Rack,Patch Panel,Patch Cords MM SM FC SC Fiber Optic Adapter Connectors: FC to SC Can be used with SC FC single mode or multi mode fiber optic jumper cables,Connect two Singlemode SC FC patch cords together or use in an ST