Rare combination tool for the Colt Model 1855 Root percussion rifle, musket or carbine. This large version of the pistol model has the flat stepped cylinder spacer and at the other end, the nipple wrench. A large domed rivet through the centre of the shank, locates the two blades, which also act as levers to turn out a nipple and adjust the cylinder. The finish is cold blue. Rapley: T#22