Retro C 80 belongs to the new family of Biotools developed by this company to simplify inoculation of agar plates. An evenly inoculated agar surface is efficiently and ergonomically obtained, optimising the set-up for Etest or disc diffusion. An adjustable turntable with a variable speed option makes the inoculation process comfortable and suitable for different operators. Both 150 mm and 90 mm agar plates can be used. Retro is for use in all laboratories performing manual susceptibility testing.