EDC Spin Knuckle Duster Defender

Material: 7075 aluminum alloy, TC21 titanium alloy
Size: thickness 16mm, rotating diameter 90mm
Weight: aluminum alloy 52g, titanium alloy 77g
Lightweight and sturdy titanium alloy, inlaid with three high-hardness silicon nitride beads, can be broken in case of an emergency window.
Palm rest fittings full fit, palm rest fittings made of nylon printing wide size to provide good palm support, quick-fit design gyro seconds into a single finger
Three pages of gyro details were added, and the overall shape became more three-dimensional.