Siegen s0982 trx star hex spline bit set 40 piece 3 8in and 1 2in square drive sealey s0982 p this 40 piece bit set from sealey features chrome vanadium steel bits hardened and tempered for added strength set includes 3 8in and 1 2in square drive to 10mm hex chrome vanadium steel bit adaptors br br contents br trx star bits t20 t25 t30 t40 t45 t50 t55 1 each 30 and 75mm br hex bits 4 5 6 7 8 10 12mm 1 each 30 amp 75mm br spline bits m5 m6 m8 m10 m12 1 each