Hotop M4 x 10 mm Carbon Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw, Black (10) Item Package Quantity:10 or daily heat

or daily heat

High efficiency

Can be applied at temperature below freezing

and squeeze handles to open jaws (3) position jaws around stem (4) release handles and tool firmly holds stem in a fully extended position

Hotop M4 x 10 mm Carbon Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw, Black (10) Item Package Quantity:10 or daily heatHotop 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