Arrow A259 T25 Round Crown Staples secure wires without damaging them The Arrow A259 is a pack of 1000 T25 round crown staples which are perfect for stapling low voltage wires in garage doors, doorbells and alarm systems. Their round crown design secures wires without damaging them. They have low corrosion resistance making them more suitable for fixings indoors. Features: Features a round crown design that secures wires without damaging them Steel staples have low corrosion resistance, therefore, are ideal for indoor applications The leading choice for low voltage wire applications such as garage door openers, thermostat wire, doorbell wire, alarm systems, and much more Specification: Pack Qty: 1000 Size: 9/16" (14mm)