Tried shading with it today using an 11 mag bugpin from Mike Metaxa's Inquisition. I've got a fast hand and like a short stroke so for this method i put the machine on 4v. I don't think it would be wise to use it at that speed with a bigger stroke, it'd be like ploughing a field! Really impressed with the function of the machine. It's sooooooo light and quiet. When using disposables it's like shading with a pencil! Between this machine and my Mike Metaxa i've improved my black and grey 10X. At last i can just concentrate on what i'm doing and not fight against my machines. Hooray for rotarys!