I used the Pearl JG-16 Jungle Set Adapter with a 16 inch Tama Superstar Birch Floor Tom to switch it into a bass drum. Its a great product, unfortunately you have to buy the ISS Tom Holder System. I think Pearl should do it as a 1 product package.
As for the Adapter, it is good and easy to use and effective. Just the black tip of the feet always used to fall off easily, and had no spikes unfortunately.
The floor tom was never really stable on the floor, and there were times the floor tom would slide away from the kicking.
All and all, its a good product, but I would not give it a 5 stars.