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Dear Leah and Andrew The sapphire arrived today. We're very happy with the colour which is very much like the lost stone, and the size is...


Jobe Stainless Steel Classifier, Size #2 - 1/4" mesh

AUD $40.00

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5 Units in Stock

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TEMPORARILY OUT OF STOCK - have been ordered.
Size #2 Jobe Stainless Steel Classifier

These quality stainless steel classifiers have rugged plastic bodies with stainless steel screens. They are 12 inches wide (~30cm) at the top and are tapered to fit in the top of a 5 gallon bucket. They are easy to use and a must for proper fine gold recovery. 

The overall height is 3 1/2 inches (~9cm) and designed to allow for 4 of the classifiers to be nested with an overall height of only 8 1/4 inches (~21) as shown in the photograph.
IMPORTANT NOTE:  photograph may show a group of nested seives but this item is for one (1 only) classifier of 1/4" - adjust quantity if you need more than one.

Classifier Screen (mesh) sizes (click here for mesh size comparison photo gallery):
  • #1  - 1/2 inch (the largest screen) is about 4 holes per square inch (use to remove worthless larger rocks) 
  • #2  - 1/4 inch is about 16 holes per square inch (use to reduce size of gravel material for easier sluicing or panning) 
  • #3  -  1/8 inch is about 64 holes per square inch (use for final clean up of gold concentrates from black sand or for recovery of small gem stones) 
  • #4  -  1/12 inch mesh - good all around size. 
  • #5  -  1/20 inch - FINE MESH is about equal to window screen (use for final clean up of FINER gold from your black sand or for recovery of very small garnets and gemstones, etc...) 
  • #6  -  1/30 inch  - SUPER FINE MESH - a very tight weave 
  • #7  -  1/50 inch - VERY FINE MESH - 2500 holes per square inch- OFTEN USED WITH #30 and #70 screen for BLUE BOWL CLEANUP 
  • #8  -  1/70 inch - VERY FINE MESH - 4900 holes per square inch - use with the #6 (1/30") and #7 (1/50") screens for best blue bowl recovery. 
  • #9  -  1/100 inch - the smallest screen - use for microscopic gold recovery and ultra fine gold dust and flakes.


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