The Pro Pack 1911 is a great value bundle that includes 3 popular Real Avid 1911 pistol cleaning and maintenance and 1911 take down products. T he kit includes: 1) the Gun Boss Handgun: portable gun cleaning kit featuring high quality implements in a compact weather-resistant zippered carrying case. This multi-caliber handgun cleaning kit works perfect for .45 acp caliber and also includes gun cleaning tools for .22 pistol, 9mm handgun, 357 magnum, .38 special, 40 caliber, 41 caliber, 44 magnum & any 45 caliber. Quality, ergonomic design, professional grade phosphor bronze brushes, nylon bore jags and highly absorbent gun cleaning patches; all components are long lasting and well-organized, so you spend less time cleaning and more time shooting. 2) the 1911 Smart Wrench: 1911take down tool, government & officer barrel bushing wrench, rubberized, non-slip and non-marring. The design captures the recoil spring and keeps it from flying; prevents losing the spring. It's a perfect 1911 disassembly tool to add to your 1911 gunsmithing accessories kit. 3) the 1911 Quick Reference Field Guide: Clear and Accurate instructions help you learn how to field strip, clean, lubricate, and reassemble your 1911. Visual Instructions help new 1911 owners get to know their gun while offering seasoned veterans an at-a-glance reference guide