OTC 1176 Reversible Jaw Slide Hammer Puller is for jobs involving gears, bearings, outer races, grease retainers,oil seals, etc. Two or three puller jaws may be used to handle 'inside" pulling jobs such as bearing cups and outer races, as well as regular 'outside" pulling jobs. 2-1/2 lb. hammer, 27" long, 2-Jaw Spread of Inside Min. 1-1/4", Max. 3-1/2", Outside Min. 1", Max. 4-1/2", 3-Jaw Spread of Inside Min. 1-1/2", Max. 4-1/4", Outside Min. 1-1/2", Max. 4-1/2".