10Pcs Black Backed Copper Foil Sheets, [5.9inch x 5.9inch] Copper Foil Tape for Guitar, Stained Glass, DIY Arts, Crafts, Home Decor, Electrical Repairs, Soldering, Grounding, Crafting 5.9inch x 5.9inch 10 Number of Items:10 O-ring (installed under the square

O-ring (installed under the square ring): 91

ensuring clear identification and long-lasting performance

It is not designed to be immersed in water

no need to twist or push back the cap

Specially Treated PCB Surface: Immersion gold process is adopted

10Pcs Black Backed Copper Foil Sheets, [5.9inch x 5.9inch] Copper Foil Tape for Guitar, Stained Glass, DIY Arts, Crafts, Home Decor, Electrical Repairs, Soldering, Grounding, Crafting 5.9inch x 5.9inch 10 Number of Items:10 O-ring (installed under the square10Pcs Black Backed Copper Foil Sheets, [5. 9inch x 5. 9inch] Copper Foil Tape for Guitar, Stained Glass, DIY Arts, Crafts, Home Decor, Electrical Repairs, Soldering, Grounding, Crafting Enhance Your Projects with High Quality Copper Foil Sheets! Whether you're shielding your guitars electronics, creating stunning stained glass art, or tackling electrical repairs, our 10Pcs Black Backed Copper Foil Sheets provide the perfect combination of