OTC 1128 Bearing Splitter 5" to 12-7/8" features '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. Max. Spread 12-7/8", Min. Spread 5", Thread of tapped holes in adapter 1-3/4"–12. The distance between adjusting screws is 13". For use with OTC pullers numbered: 1073 and 1079.