The Channellock all metal construction with chrome finish is designed for comfort and durability, it is the ideal staple gun for home or professional applications. Features easy squeeze handle and high/low power adjustment. Uses No. 1/4 In., 5/16 In., 3/8 In., 1/2 In., and 9/16 In. staples, 9/16 In. brads, or No. 4 narrow crown Arrow No. T50 heavy-duty staples. Easy access staple channel. Includes 168 pc. box of 5/16 In. heavy-duty staples.