Project W Opus alternatives
The Opus is 118.7 mm long, 61.9 mm wide and 38.2 mm tall, at 67 g. It suits claw-grip hands of about 177–198 mm. These are the mice closest to it in size, ergonomic shapes first, so they should feel familiar in the same hand.
Own the Opus?
Tell the fit finder whether it feels too small, too big or just right, and it will rank every mouse around your hand and that feeling.
Find my fit from the Opus