Made of highest-grade aluminum, these new insertables are solid, durable, and extremely comfortable.  Aluminum takes less power to operate and is more affordable than the comparable stainless steel models.  They are a bipolar design, with a 2.5mm plug.

Length is 140 mm over all, 135 mm insertable, diameter at smallest is 18 mm, diameter at largest is 35 mm. (1 inch = 25 mm)