Comes with Pro Swivel. This unit is designed to hold a speed bag or a heavy bag, there are no tools required for changing between a heavy bag or a speed bag, changes in seconds. The mounting brackets are made of heavy gauge steel tubing with predrilled mounting holes for 16 inch or 24 inch center-stud spacing. The heavy gauge angle iron is welded for a vibration free workout. Comes with a 1" thick striking board!! The platform has a powder coated finish. Made in the U.S.A.

Comes with Wood Mounting Screws. 

(Speed Bags not included sold separately.)