Description: Holds joints at a 90 degree angle. Can also be used for 45 degree sawing. Great for picture framing and wood working. Aluminum alloy construction with steel screws. Independently adjustable jaws. Pre drilling mounting holes to allow fixing to work surfaces. Maximum clamping range 75mm/3in, generally 4 right-angle clamp all together to use. Material: Zinc Aluminum Alloy Type: 4'' Size(LxWxH): Approx. 21*10*2.3cm/8.27*3.94*0.91'' ( Details please refer the measurement picture) Package Includes: 1 Piece 90 Degree Right Angle Clamp Note: As different computers display colors differently, the color of the actual item may vary slightly from the above images. There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item