T25 Staples from Arrow feature a round crown design that secures wires without damaging them. Ideal for low voltage wire applications the T25 staple is an absolute boss when installing garage door openers thermostat wire doorbell wire alarm systems and much more. It also works great on computer CAT-5/CAT-6 RG6/RG9 coaxial and phone cables. All Arrow T25 staples are made under strict quality controls. This 7/16 in. round crown staple comes in a 1 000 pack.