Iztoss 40pcs Brass Bullet box kit 3.5mm Connector Terminal Male & Female GTC with Cover 3.5mm Gold-Colored Brass Bullet box kit,Applicable for 18-14 AWG gauge wire,usually it only needs 7-14 days to arrive you ,never need 1 month. Barrel-shape,with transparent plastic cover Connector Terminal,Male & Female,plus Insulation Cover Male x 20pcs + Female x 20 pcs,Male trunk diameter: 3.5mm (approx. 1/8"),Female Terminal diameter (inner): ~3.5mm (a bit over 1/8") with transparent plastic cover,Applicable for 18-14 AWG gauge wire,Slide the plastic cover on the wire, crimp the connector, then slide the cover over the connection.