Features： 1、High Quality Materials: Made of high quality tool steel, this 2 in 1 ratchet wrench is sturdy, durable and has a long service life. 2、Anti Slip: Anti rust and anti skid design is adopted to reduce stress damage within a certain limit. 3、Applicable Scene: This ratchet wrench is suitable for most electric drills and power tools to meet your different work needs. 4、Professional Design: Professionally designed, easy to hold and beautiful, it is a must have tool for your work. 5、Ideal Choice: It is an electric drill clamping tool, ideal for tightening or loosening chucks, allowing for quick drill bit changes. Specification： Item Type: 2 in 1 Ratchet Spanner Material: Tool Steel Ratchet Head Size: Small Head Size: Approx. 12.7mm / 0.5in, Big Head Size: Approx. 17.5mm / 0.7in Drive Head Size: Approx.  6mm / 0.2in Applicable: Suitable for Most Electric Drills and Power Tools Package List： 1 x 2 in 1 Ratchet Spanner