A professional quality TWELVE piece combination spanner set. They are fully polished and are manufactured from Chrome Vanadium Steel (CR-V). Ring spanner on one end and open ended on the other. Sizes are 1/4", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16" and 7/8". All conveniently grouped in a handy plastic holder.
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