Ergonomic Handle Design，Labor-saving ratchet device. The non-slip nylon handle with lever principle is designed for improving crimping effects.Material: Chrome vanadium steelFeatures: BionicFeatures: MultifunctionalFeatures: Explosion-proofFeatures: InsulationFeatures: non-slipModel: pipe wrenchType: pipe wrench carPliers tool: wrenchTorque wrenches: bicycle tools, motorcycle tools, car toolsWide opening: 14mm-30mm, 30mm-60mm14-30 / 30-60mm Universal Key Pipe Wrench Open End Spanner Set High-carbon Steel Snap N Grip Tool Plumber Multi Hand ToolFeatures:Two universal wrenches that adapt to all kinds of bolts and nuts.Effective, light weight system.Ideal piumbing, carpentry, mechanical and garden workThe secret is there self-adjusting technology, which allows them to automatically adapt to the size.