Reversible-Jaw Slide Hammer Puller Extremely versatile puller, which will accomplish many pulling jobs involving gears, bearings, outer races, grease retainers, oil seals, etc. Either 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. The basic slide hammer unit can be removed and used independently. 1177 � Puller with 5 lb. hammer, 2-way and 3-way head, 27" long. 2-Jaw Spread Inside Min. 1-1/4" Max. 3-1/2" Outside Min. 1" Max. 4-1/2" 3-Jaw spread Inside Min. 1-1/2" Max. 4-1/4" Outside Min. 1-1/2" Max. 4-1/2"