Turrets Lug For Amplifier DIY Type 1 Material: 1.Gold Plated Brass 2. Stainless steel spring 3.Stainless steel ring 4.Brass plated nut Type 2 Material: 1.Gold Plated Brass 2. Iron plated gold spring 3.Iron plated gold ring 4.Copper plated gold nut Quantity: 50 PCS/LOT