Colwood Replaceable Tip "CM" Micro Writing Tip 30-RTCM

30-RTCM Replaceable Micro Writing Tip. Similar to a fine ballpoint pen. Each tip is individually ground and polished. This micro writing tip is used for extremely fine writing, raising a duck bill's nostrils, indenting around a duck bill nail, carving wrinkles, on birds and fish, modeling around eyes, modeling bird feet, finishing the center shaft of feathers, and signing.