Easily separate your connecting rod caps with this non-marring hand-held splitter. Just turn the handle and the unit opens up so the 4 non-marring ends push the cap apart. Fits Chevy S/B and other similar journal diameters, minimum diameter is 1.980 inches, and the maximum when fully expanded is 2.330 inches. Sold individually. U.S. Pat. 7,155,791