Overall Length: 7-1/4"Material: SteelFinish: Chrome PlatedProfessional Heavy Duty Low Voltage Wire Tacker For Wire Up To 1/4" WideGrooved Wire Guide For AccuracyQuick And Easy Rear Loading Due To Removable MagazinePatented Jam-Resistant Mechanism Design Means Less Down Time Due To JamsUses T25 Round Crown Staples Only In Lengths Of 3/8", 7/16" And 9/16"