Terminal Lug (Ring) 4 mm² for M4 – Citini Electric
20mm Stud 23mm Cable de Cobre Lug Ring Terminal del Cable Conector de La Batería|cable connector terminal|connector terminalcable lugs terminals - AliExpress
10pcs 1/0 Awg - 1/2" (M12) Sanuke Wire Lugs Ring Terminal Connectors Ends Heavy Duty for Battery Cable Lug Wire Electrical Eyelets with 3:1 Dual Wall Adhesive Heat Shrink: Amazon.com: Industrial & Scientific
RS PRO Uninsulated Crimp Ring Terminal, M3 Stud Size, 0.5mm² to 1.5mm² Wire Size | RS