Interface type: 4Pin NL4FC speaker special plug Product length: 69mm Applicable wire diameter: 6mm-11mm wire diameter is universal. When using large wire diameter cables, the clamp is too tight and you can cut off a little from the bottom of the clamp. The shell is made of high-strength nylon material,The tail is made of high-strength ABS material, the tail hole is 14MM, and the recommended wire diameter is 6mm-11mm. Product Use:Suitable for DIY production of various stage speaker connection cables. Color: B:Blue Material: Nylon+ABS Package Contents: 5 x 4Pin NL4FC Speaker Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.