Knurled Knob Steel/Locking Plungers provide a retractable plunger that locks in the retracted position and can be easily withdrawn and re-engaged. Large hardened bearing surfaces permit greater side loading. Slight end taper for easy alignment. Tough steel body and spring. Zinc gold chromate finish. Vlier Knurled Knob Stainless Steel/Locking Plungers offer the added benefit of an all-stainless steel design for maximum protection against rust and corrosion.
FEATURES:

• Knurled knob design
• Hand-retractable locking plunger on locking models
• Large hardened bearing surface
• Non-locking or locking design