20pcs/set 8 Pcs T111C speed cutting for wood 2 Pcs T244D especially for curve cut2 Pcs T101D clean cutting for wood 4 Pcs T118B basic cutting for metal (2.5-6mm)2 Pcs T118A basic cutting for metal (1-3mm)2 Pcs T127D special cutting for AluPacked by plastic box