The Chemtronics CF50 is a 6-1/8" swab with wood handle, and foam over cotton head.

Foamtips Swabs are constructed from medical grade foam which features the best open cell structure, providing excellent particle entrapment characteristics. The foam is thermally bonded to the swab handle without using adhesives. These foam swabs are ideal for general cleaning applications.
 

Applications:

• Clean excess adhesives after gluing
• Clean micro-mechanical devices
• Remove Flux residues from printed circuit boards
• Apply small precise quantities of adhesive or lubricants