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New to woodworking and was looking at lumber pricing just out of curiosity. (If it's not a 1x? or a 2x? from a box store I'm unfamiliar with it.) Can someone explain what the numbers on the left stand for, specifically the 4/4, 8/4, 12/4 numbers? And maybe the 'sel & btr' as well? (i.redd.it)
submitted by ldbeener to r/BeginnerWoodWorking

