Locking Pins are used where quick release is needed.
Press Release Summary:

Original Press Release:
Extensive Line Of Quick Locking Pins Announced
Unique Manufacturing Process Permits Delivery of "Specials" in Two Weeks or Less
CLEVELAND, OH - December 7, 2001 - Jergens, Inc. today announced that it is manufacturing a broad new family of locking pins. The Jergens Kwik-Lok pins are available in five handle styles: T, L, button, recessed button and ring. Standard sizes range from 3/16" to 1" outside pin diameters in 1/2" to 6" grip lengths. Metric sizes are available from 5mm to 25mm outside diameters in 10mm to 100mm grip lengths. All are made of 17-4 PH stainless steel or carbon steel.
Special configurations are available in two weeks or less via a special flexible manufacturing process. Standard sizes are available from stock.
Kwik-Lok pins are used on diverse applications wherever a quick release capability is desired. When their buttons are depressed, the balls at the end of the grip shaft retract, permitting insertion or removal.
For more information, including downloadable 3D solid models in Solid Works® (.SLDPRT) and .STEP formats, visit Jergens' website, www.jergensinc.com