Even though the MaXbox Door Pro comes with a Spacer, an EXTRA SPACER is sometimes warranted for persons who are extremely tall, or even perhaps for vehicle doors that are thinner than usual.

KEY FEATURES

Door Pro Spacer is a block of the same foam as Door Pro II is made from which features a magnet and a metal plate. 

It is used as an elevator to lift the shooting height from which the gun rests on. It can also be used as a packer for slim door