【 Double End Ring Spanner 】- The Split ring compression fitting spanner is used to tighten or loosen 15mm and 22mm compression fitting nuts. PLEASE NOTE - This is for plumbing fittings - the actual spanner sizes are - 24mm and 32mm. 【 Made From Premium Materials 】- Made from tough Drop Forged Steel that has a thin profile and mirror polish finish for increased durability and corrosion resistance. 【 Ideal For 】- Suited for work in restricted space areas such as boilers, motorised valves heat exchangers, etc. 【 Easy To Use 】 - A cut at the top allows this spanner to slide over the pipe for convenience and is used for taking 15 and 22mm nuts off compression fittings. 【 Flare Nut Type Spanner Jaw 】- The flare type jaw of this double end spanner fits snugly onto automotive and plumbing tubing lines., Weight: 0.9700339528 pounds, Manufacturer: Todays Tools