and high quality Converts chuck adapter of rotary hammers for increased versatility Easy to install, saves time and convenient for operation Made of high-quality tungsten steel, practical and durable Widely used by craftsmen With strict quality control and quality assurance, high safety factor, can be used with confidence Package Includes: 1 x Electric Hammer Drill Adapter Specifications: Material: Tungsten Steel Color: Grey/Black Type: Electric Wrench to Electric Hammer Drill Adapter, Square Shank to Round Shank Drill Adapter, Electric Hammer Turning Round Shank Electric Hammer Drill Adapter, Deep Groove Electric Hammer to Round Shank Adapter Electric Wrench to Electric Hammer Drill Adapter Size: approx 88 x 34 mm / 3.46 x 1.34 inches Square Shank to Round Shank Drill Adapter Size: approx 170 x 42 mm / 6.69 x 1.65 inches Electric Hammer Turning Round Shank Electric Hammer Drill Size: approx 220 x 34 mm / 8.66 x 1.34 inches Deep Groove Electric Hammer to Round Shank Adapter Size: approx 200 x 34 mm / 7.87 x 1.34 inches Deep Groove Electric Hammer to Round Shank Adapter Size: approx 222 x 42 mm / 8.74 x 1.65 inches Note: 1. Please allow 1-3 cm errors due to manual measurement, make sure you do not mind before ordering 2. Due to differences between monitors, the picture may not reflect the actual color of the item