Bearing Splitter Feature �knife-like� edges which are easily placed behind the part to secure a gripping surface, even when clearances are extremely limited. When used with an OTC Grip-O-Matic® puller, puller jaws grip attachment�s outer edge; when used with a Push-Puller, puller legs are threaded into the attachment�s two tapped holes. No. 1121 Max. spread 15/16" Min. spread 1/4" Thread of tapped hole in adapter. 5/16"�18 Distance between adjusting screws. 1-11/16" Use with puller Nos. 1020, 1022, and 1023.