For setermining grain size distribution of soil particles or sand/ gravel

Consist of:
435-A Wooden Sieve 4" Mesh 101.6 mm opening 1 pc
436-A Wooden Sieve 3 1/ 2" Mesh 88.9 mm opening 1 pc
437-A Wooden Sieve 3" Mesh 76.2 mm opening 1 pc
438-A Wooden Sieve 2 1/ 2" Mesh 62.5 mm opening 1 pc
439-A Wooden Sieve 2" Mesh 50.8 mm opening 1 pc
440-A Wooden Sieve 1 3/ 4" Mesh 44.4 mm opening 1 pc
441-A Wooden Sieve 1 1/ 2" Mesh 38.1 mm opening 1 pc
442-A Wooden Sieve 1 1/ 4" Mesh 31.7 mm opening 1 pc
443-A Wooden Sieve 1" Mesh 25.4 mm opening 1 pc
444-A Wooden Sieve 7/ 8 " Mesh 22.2 mm opening 1 pc
445-A Wooden Sieve 3/ 4" Mesh 19.1 mm opening 1 pc
446-A Wooden Sieve 5/ 8" Mesh 15.8 mm opening 1 pc
447-A Wooden Sieve 1/ 2" Mesh 12.7 mm opening 1 pc
448-A Wooden Sieve 7/ 16" Mesh 11.1 mm opening 1 pc
449-A Wooden Sieve 3/ 8" Mesh 9.5 mm opening 1 pc
450-A Wooden Sieve 5/ 16" Mesh 7.9 mm opening 1 pc
451-A Wooden Sieve 1/ 4" Mesh 6.3 mm opening 1 pc
452-A Wooden Sieve # 4 Mesh 4, 75 mm opening 1 pc