Yes. At the moment this is simply a portal to purchase 4.5" DIY Diehard Cut Off Wheels. More Items to come.   

DIY Diehard Cut Off Wheels: High performance metal cutting wheels. 
Diameter: 4.5"
Arbor(That hole in the middle): 7/8"
Thickness: 3/64"
For you metric people out there: 115 x 22.23 x 1.2mm