Disposable ‘cotton swabs’ are suitable for many uses. Firmly attached absorbant tips on one end. For sterile applications they may be autoclaved. Uses in bacteriology labs include inoculating broths and plated media, obtaining culture specimens, etc. Ideal for cleaning delicate laboratory instruments. Comes 150 mm long and 2 mm in diameter. 107-200-13 does not contain glue for work with contamination control.