Amazon.com : Muzzle-Loaders™ Deluxe Nipple Wrench & Nipple Pick in One - MZ1211 : Sports & Outdoors
Nipple Wrench for Revolvers, for 1858 Remington .44 Revolver, .31 & .36 Pocket & Police Model Colt Revolvers, and other revolvers with a tight nipple recess - Track of the Wolf