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", and the maximum when fully expanded is 2.330". U.S. Pat. 7,155,791Proform Engine Connecting Rod Splitting Tool 67905Specifications: Feature/Benefit Easily separate your connecting rod caps with this non-marring hand-held splitter. Category Connecting Rod Tool Finish Black Tool Type Connecting Rod Splitting Tools Description_ABR Rod Tool Description_SHO Connecting Rod Tool Description_INV Connecting Rod Splitting Fixture Description_DEF Engine Connecting Rod Splitting Tool Description_ASC Engine Connecting Rod Splitting Fixture Description_ASC Hand Held Model Description_ASC With Non-Marring Ends Description_LAB Engine Connecting Rod Splitting Fixture Description_LAB Hand Held Model Description_LAB With Non-Marring Ends Description_DES Engine Connecting Rod Splitting Fixture Description_DES Hand Held Model Description_DES With Non-Marring Ends Description_EXT Engine Connecting Rod Splitting Fixture Tool Description_EXT Hand Held Model Description_EXT With 4 Non-Marring Ends Description_EXT Patented Description_EXT Sold Individually Description_MKT 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", and the maximum when fully expanded is 2.330". U.S. Pat. 7,155,791