SUNSKY 2 Sets Electric Drill Universal Coupling Sleeve Bit Set Multifunctional Flexible Shaft Electric Drill Accessory Set, Style: 20 PCS / Set 20 PCS / Set

11Pcs / Set: cardan shaft + bit x 10

20Pcs / Set: cardan shaft + bit x 10 + sleeve x 9

32Pcs / Set: universal joint shaft + bit x 12+ sleeve x 9+ twist drill x 4+ tile drill bit + glass drill bit + magnetic sleeve + one-word cross bit + double cross bit x 2

Standard: metric

Material: iron