General Tools 1280M Hollow Steel Punch, 1/2 in sold2024 4 AA batteries

4 AA batteries

solder over the copper tape

Bonus standard spade crimp type connectors work well and you have many options of of making individual connections or by using the whole barrier bar or part of it up to 12 connections to a single line

150mL Capacity - Eisco Labs

AFA Tooling Deburring Tool Kit with 11 High Speed Steel BK3010 Blades | Precision Edge Burr Removal on Copper

General Tools 1280M Hollow Steel Punch, 1/2 in sold2024 4 AA batteriesGeneral Tools 1280M Hollow Steel Punch, 1 2 in General Tools 1280m 43884 1 2" Hollow Steelpunch Product Features The GENERAL TOOLS and instruments 1280M hollow steel punch, 1 2" Is meant for punching a 1 2" hole The punch works on leather, rubber, gasket material, cardboard and softer metals The internal punch features a side Clearance hole for easy removal of punched material Item Package Dimension: 3. 0" L x 3. 0" W x 7. 0" H