CL-5-HRPN Carr Lane Manufacturing Hand-Retractable Plunger, Knurled Head, Delrin Plunger: Thread 5/16-18
Spring-loaded plunger that locks in retracted position. To lock, pull knurled knob back and turn 90?. Standard plunger has a slight taper on plunger tip for easy alignment. Also available with a radiused Delrin plunger (slightly larger plunger diameter and lighter spring force). Available in steel or stainless steel. Made in USA.
