4 blades included in this set: 1 of 56 1/8" X 1/4" X 6TPI blade, 1 of 56 1/8" X 3/10" X 8TPI blade, 1 of 56 1/8" X 1/4" X 10TPI blade, and 1 of 56 1/8" X 1/4" X 12TPI blade Can fit Delta 28-180 and 28-185 8" band saw and others that require 56-1/8" blade. These 56 1/8 inch bandsaw blades are ground teeth blades, which are sharper and can stay sharp longer. Unique welding technique: strong and smoother welding point Raker set teeth arrangement, all teeth arranged evenly for better cutting performance 4 blades included in this set: 1 of 56 1/8" X 1/4" X 6TPI blade, 1 of 56 1/8" X 3/10" X 8TPI blade, 1 of 56 1/8" X 1/4" X 10TPI blade, and 1 of 56 1/8" X 1/4" X 12TPI blade