Pack of 3 wood TCT 24T 4-1/2" 4.5 inch Carbride TCT Circular Saw Blade for Rockwell Rk3441k, Worx WX429L RW9281 Pack of 3 4-/1/2" 24T TCT Carbide Circular Saw Blade for Rockwell, Worx Use for Metal, wood, plastic, drywell, composite material 3x TCT 24T Wood Blade, Fits with Rockwell/ Worx 4/1/2" - Arbor size: 3/8"