Hotop M4 x 10 mm Carbon Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw, Black (10) Item Package Quantity:10 Comes with a 1-year warranty

Comes with a 1-year warranty

electronical meter

Material: Ferroferric Oxide

removing and adjusting

short term

Hotop M4 x 10 mm Carbon Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw, Black (10) Item Package Quantity:10 Comes with a 1-year warrantyHotop M4 x 10 mm Carbon Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw, Black (10) Features: Easy to use: The package includes 10 threaded knurled thumbscrew, which can be installed in any place you need, which can meet your daily use and replacement. Quality carbon steel material: The male thread knurled clamping knobs is made of quality carbon steel, with good hardness, strength, corrosion resistance and wear