The Special Delivery obstacle is part of the Makercraft Combo Catch Series and offers the ideal training for precision. As well as number of other uses. Add all 3 Special Deliveries to your gym for the full effect!  the SD1 with a super 2.5" opening and the SD2 with a Classic 1.75" opening and the more difficult Pro model with only a 1.25" slot opening.  Don't forget to chose your favorite color from our available color selection.