This 1/8 - 9/16" Whitworth Spanner Set 8pce 633967 is an ideal addition to anyone's tools , whether it be for the garden , garage or DIY Whitworth Spanner Set 8pce 1/8 - 9/16" Open and bi-hexagonal ends with 15° offset for greater access Hardened and tempered, drop-forged chrome vanadium High quality fully polished finish Ultra-strong ballistic nylon storage roll Includes sizes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" and 9/16" Whitworth Warranty: LIFETIME for all hand tools ; 3 YEAR for power tools , air & petrol tools. Silverline-Tooltime 633967 5024763029677 .