Minimum spread of 1/2 and a maximum spread of 4-5/8. Use with puller Nos. 1035, 1036, 1037, 1038 and 927. Weight: 5 lbs.. 5/8 - 18 thread of tapped hole in adapter. 4-3/8 distance between adjusting screws These versatile accessories 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.