For stapling low voltage 1/4″ wire. Grooved guide positions wire for proper staple envelopment. Blade halts staple at right height to prevent wire damage. Round crown staples fit snugly around wire. Ideal for low voltage wiring, thermostats, doorbells, garage door openers and alarm systems. Uses T25 round staples. No. T25-4H: Type: Heavy-Duty, Staple Size: 3/8 In. to 9/16 In., Pkg Qty: 1, Package Type: Hang Tag
