Combination Spanner Set 12 pcs. inch, inch Sizes 1/4" - 15/16" by WIESEMANN 1893 I Spanner Set in Tool Holder I 80362CONTENTS combination spanner set with ring and open ended sides in sizes 1 4" 5 16" 3 8" 7 16" 1 2" 9 16" 5 8" 11 16" 3 4" 13 16" 7 8" 15 16. The thin walled ring side means that it can also be used in restricted spaces. SIMPLER the ring side is angled at 15 to to make it easier to use. MATERIAL hardened Cr V chromium vanadium steel with high quality matt chrome surface provides excellent protection against corrosion ensuring long service life. All