Felt Cones are available in Different sizes.
Manufacturer: Buffalo Dental
Small: No. 1C Pointed Felt Cone, 1/2" Diameter x 1" Long MPN #40000
Medium: No. 2C Pointed Felt Cone, 3/4" Diameter x 1 1/2" Long MPN #40010
Large: No. 3C Pointed Felt Cone, 1" Diameter x 2" Long MPN# 40020