Heavy Duty Trailer Wire Clips. These premium heavy duty trailer wire clips have been designed tough and made from the highest quality materials. Great for hiding and protecting wires or keeping wire harnesses in place. Quantity Included: 25 Trailer Wiring Clips. Dimensions: 3/4" x 3/8" x 1/2" (19.5 x 9.5 x 13mm) each. Function: Hides and organizes wires and wire harnesses. Material: Heavy Duty Metal. Product is backed by a no-hassle One Year Guarantee against defects.