Overview Reviews Product Description The .40cal Essential Pistol Cleaning Kit by Otis offers the essential firearm maintenance gear to properly clean .40 caliber pistols from Breech-to-Muzzle and features a new tool that acts as both a T-handle and a driver for the included 4 bits. Product Videos Custom Field Product Reviews Write a Review Write a Review × Otis Technology Otis Essential Cleaning Kit - Choose Size Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *