Cable Protector Plate, 2-1/2 Inches Tall x 1-1/2 Inch Wide, Galvanized Steel, Steel Clip and No Nails Required, Protects Non-Metallic Sheathed Cables Or Raceway Type Wires Running Through Wood Studs, Joists, Rafters, Or Similar Structural Wood Members From Accidental Nail, Screw Or Drill Penetration. No Nails Required.^^Features Prevents Drills, Nails, and Screws from Penetrating through Wood Studs, Joists, Rafters or similar structural Wood members.^^Application Protects non-metallic sheathed cables or raceway type wires running through wood studs, joists, rafters, or similar structural wood members from accidental nail, screw or drill penetration.^^General Accessory Type: Cable Protector Plate Insulation: No Material: Steel Knockouts: No^^Dimension Information: Length: 2-37/64��� Width: 1-3/8���