Product information:
Color: Black, CKFSL Blue in stock
Material: Metal

Features:
Made of pure aviation aluminum material, high-precision lathes imported from Germany,
Size control within 1 thread, exquisitely polished, without burrs, smooth rotation.
(Science popularization: 100 threads=1 millimeter)
Sandblasting effect, anodizing treatment, iPhone grade matte feel.
Stainless steel R188 bearing with good wear resistance and long idle time.