Value pack: three sizes for any cutting task. Hardened alloy steel for long tool life and straight, accurate cutsb.Innovative teeth design for faster cutting. Use to cut wood, plastic, or soft metals. Containers 3pc saw blades: 1-3/4", 1-1/4", and 1". Included mandrel fits any blades, cut-offs and wheels with 1/4" arbor hole. 12/inner and 48/case.