Pro Modeling Tool Small/Large Ball Tip 8039-04

Dual tipped modeling tool with two sizes (small and large) of ball tips. The black rubber grip is ergonomically designed to provide better control and comfort. 5-7/8" (14.9cm) long, widest area of grip is 3/8" (9.5mm).
Small ball tip: 9/64" (3.6mm) diameter.
Large ball tip: 3/16" (4.8mm) diameter.