uxcell Knurled Thumb Screws, M4x14mm Brass Shoulder Bolts Grip Knobs Fasteners, Nickel Plated 10Pcs sold2024 Metal rod core The metal

Metal rod core The metal rod core is made of a special alloy with high strength

Comes with one 6-grid plastic rectangle storage box

It lets the impact while walking be incredibly comfortable

which does not affect your vision

High Strength and Heat Resistance: Engineered for toughness and heat resistance

uxcell Knurled Thumb Screws, M4x14mm Brass Shoulder Bolts Grip Knobs Fasteners, Nickel Plated 10Pcs sold2024 Metal rod core The metaluxcell Knurled Thumb Screws, M4x14mm Brass Shoulder Bolts Grip Knobs Fasteners, Nickel Plated 10Pcs Product Features [Thread Size] Thread Diameter: M4; Thread Pitch: 0. 7mm 0. 03; Rod Length: 14mm 0. 55; Thread Style: Fully Thread [Screw Head] Head Style: Round Knurled Head; Head Diameter: 9. 5mm 0. 37"; Head Thickness: 8mm 0. 31". The larger the diameter of the thumb portion, the greater the clamping force that can be applied [Material] Made of brass