Additional Details ------------------------------ Product description: Whether you're working under the hood or under the sink, this 20-Pc. Combo Wrench Set will give you all the torque you need. Having to lift the wrench to reset and make a new turn isn't always an option in tight quarters. The ratcheting end gives powerful turns with minimal adjustments. The open ends are reinforced to give you the strength needed to bust loose stuck bolts. No matter if you're working on a project with SAE or metric fasteners, this set can handle either to give you total coverage. The alloy steel construction ensures that these tools are tough enough for any job on your to-do list. Get the job done right with this durable ratcheting 20-pc. wrench set.