Silicone rubber-coated monofilament for MCAO Model. Filament size 4-0, diameter 0.19 mm, length 30 mm; diameter with coating 0.35 +/- 0.02 mm, suitable for MCAO models in animals within body weight range 250 +/- 15 grams; suitable for MCAO models in animals within body weight range 250 +/- 15 grams; coating length 5-6 mm, suitable for MCAO with reperfusion, or permanent MCAO. Pack of 10 filaments.