STEP 1. Head to our FedEx LTL Freight Classification Tool. It''s an easy freight class/NMFC code lookup tool with a freight density calculator built in that can help you estimate your freight class. STEP 2. Choose which item (s) you''re shipping from over 20 categories (including automotive parts, furniture, lumber, medical supplies, food, etc.).Sand For blasting, Sandblasting Sand, work sand | Agri …This sandblasting sand is extra fine with 30-60 grit. Each bag contains 100 lbs. of blasting sand, and it is designed to be used with a sandblaster. The extra fine grit is perfect when you want to remove paint from a surface. We also sell fine, medium, and coarse grits. For more information, please see the details below.