22-piece set of long-arm hex keys (aka Allen wrenches) for tightening or loosening fasteners; includes SAE and metric sizes; ideal for working on bicycles, motorcycles, vehicles, furniture, machinery, and more Made of durable chrome vanadium steel for rugged strength and rust resistance; black oxide finish Long arm provides extended reach and better leverage; beveled ends facilitate smooth insertion; offers an entry angle of up to 25 degrees―great for working around obstacles 2 hinged cases included, complete with dedicated slots for secure storage and clear size markings for quick, easy access Measures 7.5 by 2.5 by 2.3 inches; backed by an Amazon Basics 1-year limited warranty