PS; Sterile. Avalaible in pack of 5 or individually wrapped. The foot of the spreader has a completely smooth, rounded surface, free of rough edges and imperfections. It enables even spreading of liquid samples across the surface of agar plates without gouging or cutting the medium. Surface treated to enhance adhesion of droplets Non toxic Gamma irradiated Dimensions: Total length 145 mm (±1 mm); spreader length 38 mm (±0,5 mm).