1/2"DR HEX BIT SOCKET SIZE: H10 (S09H410, JONNESWAY)
1/2" hex (HEX) bit socket, size H10. Made of CR-V chrome-vanadium steel with a precisely machined profile for a secure fit and long service life. For driving hex-head fasteners. Square drive 1/2". Jonnesway/PRIDE S09H410.