When building a scale model, cotton swabs are often used with painting and applying decals.
87106 Tamiya Cotton Swab Triangular Small x50
87104 Tamiya Cotton Swab Round Small x50
Tamiya Cotton Swab - Triangle Extra Small x50 87105
87107 Tamiya Cotton Swab Round Medium x50
Tamiya Cotton Swab - Round Extra Small x50 87103
Mr Hobby Mr Cotton Swab - ST01 Standard Size - ST02 Big Size - ST03 Extra Fine
