Amazon.com: Kadimendium Screw Ring Terminals, Tight Wire Fit Battery Lugs Gold Plated High Toughness Pair Brass for Audio Modification(4GA for 4‑6GA) : Electronics
1 X PVD Black Steel Flesh Tunnel Screw Fit Back and Rounded - Etsy
Huck 3/8 Inch BobTail BT-BR12-6GA Small Diameter Lockbolt Pin; (0.375 Inch), (0.250 - 0.500 Inch Grip), Brazier Head, Grade 5 Steel, Zinc
Screw Terminal, High Accuracy Tight Wire Fit Connector Pair Welding Battery Cable Ends For Audio Modification 0GA For 0-2GA,4GA For 4-6GA,8GA For 8-10GA - Walmart.com