Description: Standard shank 1/4 inch diameter, suitable for cordless drills, hand drills, air drills, etc. Long bits and sockets cannot be used, and special 25mm bits are required. The short corners have no armrests. Cannot be used on products with strong torque. 105 degree angle extension, 360° parallel adjustment, perfect handy tool for hard-to-reach corners and tight spaces, max torque 15n/m. Recommended for woodworkers. Made of high quality alloy steel, durable and anti rust. Specification: Material: Alloy Steel Size Chart: 90g: 60x22mm / 2.36x0.87inch 150g: 140x20mm / 5.51x0.79inch Package Includes: 1 Piece Short Drill Bit Holder(90g and 150g are optional) 1 Piece Bit Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!