Gardner Bender SB1-25 Metal Stud Insulator 25/bag

Universal Stud Insulators provide code mandated 360° protection for cable runs through increasingly popular metal studs, where sharp hole edges could otherwise gouge plastic or rubber-jacketed electric, communications or network cable. The smooth, hang-free surface eases pulls, while the design accommodates any shape pre-punched hole or standard field-punched holes. Helps protect and insulate wires and cables from metal studs Universal snap-in bushing that fits a wide variety of pre-punched stud openings Constructed from durable polypropylene For best performance, insulator should be inserted in the direction of the cable being pulled