Maximum wheel (disc) diameter: 100 mm (4 inches). Hole (arbor) diameter: 16 mm.
Net weight: depending on variant, around 1.6 kg (light/compact) to ~2.0 kg per some catalogue entries.
It has a metal gear housing, and comes with a side auxiliary handle (adjustable/detachable), which gives better control and stability.
The design is described as compact and portable, making it suitable for smaller workshops, metal-working, light construction or DIY tasks at home.