Tacwise Heavy Duty Combi Cable Tacker/Staple Gun for CT45 and CT60 T18Type Staples, Metal Construction (1153) Cable tacker fires two different sizes of cable staple in 3/16 and 1/4 inches in diameter A robust, heavy duty professional tool with all metal construction Ideal for installation of telephone and alarm cables with the CT45 staple Perfect for coaxial, satellite, CAT5 & CAT6 cables and low voltage cabling applications with the CT60 staple (T18 type) No need for adjustment when changing staples