It can bend 90 degrees and turn left and right. It can be used directly by hand or with electric drill. The angle of 90 can achieve good access when drilling or driving in narrow and hard-to-reach areas. Not only can it help you reach difficult , but it is also light and compact. Made of high quality materials, compact, portable and durable. Name: electric screwdriver corner device Aperture: 1/4 inch (about 6.35mm) Quantity: 1 pc Material: Metal+Plastic colour: yellow+black Package Contents: 1 x Screwdriver bit bender Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.