MPQ2149 Features: * Polypropylene stud bushings * Wire protecting stud bushings are quite versatile * Fit existing irregular shaped holes in metal studs * Alleviates the need to punch holes in metal studs, weakening the structural member * Protects wire insulation from abrasion in metal studs * Allows smooth wire pulling making a difficult job easier * No tools needed * Cable shall be protected by bushings or grommets covering all metal edges and securely fastened in the opening prior to installation of the cable * Bag quantity of 25 * Stud size: 2"" x 4""" Warranty: * 1 Year warranty