Double Sided Copper Clad Sheet PCB Circuit Board Photo Sensitive DIY Model Plate Quantity(PCS):40PCS 7mm outer width) and works

7mm outer width) and works well with most delicate chains

🧱Fiber-Reinforced Rubber Construction — Internal tensile cords resist elongation under cyclic loading

Can I use it to size a ring up or down

These solid pure copper discs are designed for makers

thread tape

Double Sided Copper Clad Sheet PCB Circuit Board Photo Sensitive DIY Model Plate Quantity(PCS):40PCS 7mm outer width) and worksDouble Sided Copper Clad PCB Board Reliable Substrate for DIY Circuit Projects When your prototype layout demands copper on both sides and a clean photosensitive surface, sourcing the right substrate can derail an entire build. Makers, electronics hobbyists, and small batch PCB fabricators who need a dependable double sided copper clad sheet will find this board ready to expose, etch, and drill without the guesswork of inconsistent raw stock. Each