Bel-Art Bacterial Cell Spreader for 9cm Plates; Stainless Steel, 1.0 in. Wide Spreading Bar (F37736-0009) Stainless steel for easy sterilization Inoculate an agar plate easily and rapidly with this stainless steel cell spreader The spreader has a triangular end featuring smooth surfaces throughout, with a straight spreading bar It is autoclavable and may be flame sterilized Easily perform inoculation of Petri dishes