From the Manufacturer

Speed bag platform from Contender Fight Sports offers exceptional refle x action to develop hand speed, timing and endurance. Adjusts a full 24.5-Inch Wooden platform: 1-Inch x 30-Inch Steel constructed frame Includes an E-Z Lock Pro Swivel (PS 2) Speed bag NOT include. Additional shipping charges apply for this item.  The exact amount is quoted at the checkout or by selecting to estimate your shipping charges in your shopping cart.