PTFE Pestles – for grinding softer material with
less heat generation and contamination
• 41.3mm long PTFE tip on a 178mm long x
  4.76mm diameter stainless steel shaft.
• Shafts fit adjustable chucks on any listed
  motor drives.
• All shafts specially notched to fit the 099C
  L11 quick-change chuck.

Glass reinforced PTFE pestles - for moderately
tough tissue maintains feature of PTFE
• 41.3mm long glass reinforced PTFE tip on
  a 178mm long x 4.76mm diameter
  stainless steel shaft.
• Shafts fit adjustable chucks on any listed   drives.
• All shafts specially notched to fit the 099C
  L11 quick-change chuck.

Glass Pestles – for grinding tougher sample tissue
• Medium ground-glass surface tip on 10
  mm diameter glass shaft.
• 099C S24 is ground its entire length and
  can be reversed for double life.
• All sizes may be used with either the 099C
  L14 or 099C L15 flex-grip motor chuck.

Tubes
• Precision-bore borosilicate glass.
• For grinding softer tissue
• About 146mm long, except the 099C S38,
  which is 102mm long for centrifuge use.
• Tubes for glass pestles have mediumground surface on inside walls of grinding chamber.
• Tube diameter listed is the approximate outside diameter of the grinding section