TacFire Tactical T6 6061 Aluminum 1" Picatinny/Weaver Rail Flashlight/Laser Mount TacFire Official Product , Weaver/ Picatinny type rail mount for 1" accessories like flashlight or lasers on Rifle or Shotgun Crafted from high quality, lightweight T6 6061 aluminum construction Two tighten screws design for more secure and stability , comes with one Allen wrench to install Work with most brand names flashlights and lasers with 1" diameter tube Diameter : 1" , Length : 1.4" , Height : 1.55" , Weight : 1.3 oz