Socket set 1/2in square drive with Dynamic-Drive-Profile. 1 x 1/2in Ratchet handle 54 teeth. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 27 30 32 mm. Contents: 24 pieces. 1 each 1/2in 6-point Sockets Dynamic Drive.
eBay