- Which spanner sizes are included in this 12-piece set?
- The set includes double open-ended spanners in sizes 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22, 21x23, 24x26, 25x28, and 27x32 mm.
- What material are these spanners made from?
- They are forged from chrome-plated Gedore vanadium steel 31CRV3 for high strength and durability.
- Which standards do these open-ended spanners meet?
- The spanners comply with DIN 3110, ISO 3318, ISO 1085, and ISO 10102 standards.
- What is the primary use case for a double open-ended spanner?
- You use them to tighten or loosen hexagonal bolts and nuts, especially in spaces with limited clearance above the fastener.