Walnut Shells:

Model No.: HJ-P07

Specifications

Walnut Shells for disc finishing machine or vibratory tumbler.

3# 8mm   4# 6mm
5# 5.00-4.00mm 16# 1.180-1.060mm
6# 4.00-3.15mm 20# 0.950-0.850mm
8# 2.80-2.36mm 14# 0.800-0.630mm
10# 2.00-1.80mm 30# 0.600-0.560mm
12# 1.74-1.66mm 36# 0.530-0.450mm
14# 1.40-1.25mm 46# 0.425-0.355mm

The sizes are approx. close the its digits. Not accurates. Sold by kilo.