Item Details: *Made of high quality material, durable and practical to use. *Application: It is used for mounting on a hexagonal tool in the installation of a pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill pistol drill, manual screwdriver, etc. *Can convert the original hexagonal shape into a square head size, thus Can be used for the installation of the sleeve, which is a good accessory for conversion. *Material: Chrome Vanadium Steel *Color: Black (As pictures show) *Shank: 1/4 inch (6.35mm) *Size(Approx.): 25mm, 30mm, 50mm, 65mm *Quantity: 1/4pcs Package Contents: 1/4pcs*Socket Adapter Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you. Irish Whistle Flute C Key D Key Ireland Tin Penny Whistle 6Hole Flute Instrument