The set includes:
3 x Pintech Percussion Tour Elite series 10" drum pads for toms
1 x Pintech Percussion Tour Elite series 10" bass pad / drum
All of the pads are in excellence condition.
If you are not familiar with these, Pintech is made in USA with license from Roland.
These drum shells would last forever.
If your electronic drum set regardless of brands are not the top of the line series, then these pads would definitely a great upgrade.
Can be used with any modules from roland, yamaha, alesis, and so on ....