Quantity   Component name
4 × Quick connect tab 0.250" <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/product-detail/en/keystone-electronics/1287/36-1287-ND/124268">https://www.digikey.com/product-detail/en/keystone-electronics/1287/36-1287-ND/124268</a>
1 × Barrier Block, 4 position 0.375" pitch <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/product-detail/en/te-connectivity-amp-connectors/6DBL-04-006/A113643-ND/2283584">https://www.digikey.com/product-detail/en/te-connectivity-amp-connectors/6DBL-04-006/A113643-ND/2283584</a>
1 × 2x3 single sided PCB <a target="_blank" rel="noopener noreferrer" href="https://shop.carbide3d.com/collections/materials/products/fr1-copper-clad?variant=41237063046">https://shop.carbide3d.com/collections/materials/products/fr1-copper-clad?variant=41237063046</a>
4 × M3x6mm self tapping screw <a target="_blank" rel="noopener noreferrer" href="https://www.amazon.com/uxcell-M3x6mm-Stainless-Socket-Tapping/dp/B01FXN5OYU">https://www.amazon.com/uxcell-M3x6mm-Stainless-Socket-Tapping/dp/B01FXN5OYU</a>