Make sure all your ammo is in spec before you shoot that critical match. One tool lets you check four popular calibers used in practical shooting matches: 9mm, .38 Super, .40 S&W, and .45 ACP. Helps you avoid jams, misfires, feeding problems, and other malfunctions caused by out-of-spec ammo that can cost you precious points-or the whole match. Machined aluminum with check holes precision bored using the same high-quality Clymer reamers. Mfg: Egw SPECS: 6061 T6 aluminum, anodized, black. 3" (7.6cm) long, 1" (2.5cm) wide, 1¼" (3.2cm) high.