Head bolt removal tools long reach suitable for modern engines seven drop forged chrome vanadium steel sockets with s2 steel male bits and one single piece chrome vanadium deep socket sockets heat treated and chrome plated with satin finish for resistance to corrosion knurled ring on sockets to assist gripping with greasy fingers suitable for audi bmw fiat ford mazda mercedes nissan renault and rover vehicles contents length 60mm m12 ribe length 97mm m14 security spline leng