This volume will accept a hold with a 4" footprint or smaller. That translates to a medium to large hold that will attach to this size of this volume. Of course, all small holds will fit easily.
The angle of the walls on the volume: 50 degrees
Base Measurements: 14-1/2" x 14-1/2' x 14-1/2"
Stands off the wall: 4-1/2"
Zinc Round Base T-nuts pre-installed: 3
Please do not drill spinner screw holes or any other holes into Polyurethane Volumes. You can weaken the structural integrity of the product. This practice also voids our warranty.