3/8-in Manual Staple Gun Hi/lo power lever for both hard and soft materials Heavy-duty aircraft-aluminum housing for long-lasting durability Anti-jam mechanism saves time on the job Delivers high-power and deep penetration Easy-slide full-stick staple loading Uses Stanley® SharpShooter® TRA700 series or Arrow® T-50® heavy-duty staples Limited lifetime warranty Stanley 3/8-in Manual Staple Gun