6" inch SCH 40 Pipe Weld on Steel Collar 1/4" THICK Wall. Average item shown. Length could be 1/8" over. Cuts could be up to 1/8" from square. Please look at all pictures and ask all questions before purchasing. Item Inside dimension is approximately is slightly less than 6 1/8" Outside dimensions around 6 5/8". Pipe is not exactly 6" inside. Please reference IPS standards online. If you need pipe cut to a specific length just let us know so we can give you a quote. Take a look at our great feedback from all of our satisfied customers. If you are looking for a different size of pipe or lengths feel free to email us. Thank you.