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It is certainly more rigid than the two I have with 1.5mm wide HSS blades when used at a long overhang such as crankpin turning. I will need to look at other inserts as the ones I have seem to load the lathe much more when parting off (ok I only have a Hobbymat). I was surprised how much the motor slowed when parting a piece of 10mm silver steel compared to my 1.5 mm wide HSS tools.
I'd don't seem to have much trouble with the "rubbish holders, this is 40mm dia steel