The kit contains a combination of HARETA Leica-style cryostat specimen chucks with O-rings in different colors, an angular brush, and a teasing needle in a wooden box.
 
SPER2510: 10 specimen chucks (6x25mm, 2x30mm, and 2x40mm with different color o-rings) angular brush and teasing needle.
 
SPER3010: 10 specimen chucks (6x30mm, 2x25mm, 2x40mm with different color o-rings) angular brush and teasing needle.