Matte black glass fiber reinforced nylon plastic with a non-removable knob.
It is made of stainless steel, durable, wear-resistant, and rust-proof.
Surface black treatment, fine grinding, surface polishing.
Stable rotation, durable and long service life.
Description
Specification:
Product: Spring Return Knob Plunger
Size: M12
Material: 304 Stainless Steel
Color: Black + Silver
Package includes: 1 x Spring Return Knob Plunger
The pull knob partially closes the top of the plunger body, thereby reducing debris entering the mechanism.