Professional spanner for commercial or occasional use 27mm spanner Metric combination spanner Metric spanner Combination spanner so one end is open and the other is a ring spanner Manufactured from chrome vanadium steel for strength and durability Satin finish to prevent rust and corrosion Total length of the spanner 310mm / 31cm Fully polished for rust and corrosion resistance 12 sided / Bi-hex ring ended spanner for maximum grip onto the nuts / bolts Thin profile for access into restricted areas