M6/M8/M10 Aluminum Alloy Knurled Thumb Screws Hand Grip Knob Bolts Through Hole Product Name: Hand Screws Material: Aluminium Alloy 6061 Shank Appearance: Anodised Specification: M6 / M8 / M10 Tolerance Range: ±0.2 Tip: Due to the difference of shooting scene and technology, there will be some colour difference between the photographed picture and the actual colour.