Nut Splitter is a tool used to remove damaged or seized nuts from or threaded studs.Huge time saver when removing freeze, rusted, or rounded nutsFor the removal of damaged or corroded nuts without damaging the threadBest for the home/ workshop/hobbyist etc.Sizes:5/16inch-1/2inch 9-12mm Nut Splitter. Requires 12mm Spanner to tighten.1/2inch-5/8inch 12-16mm Nut Splitter. Requires 14mm Spanner to tighten.5/8inch-7/8inch 16-22mm Nut Splitter. Requires 18mm Spanner to tighten.7/8inch-1-1/16inch 22-27mm Nut Splitter. Requires 21mm Spanner to tighten.Application: Household Tool Set DIYSupplies: Metalworkingcolor:Red shellMaterial:45 steelPackage Contents:1 set x Nut Splitter ToolOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.