Vintage Whale Tool Corp Pli Rench Patent Pending Made in the USA 1940's Vise Grips Unique Vise Grips Vintage Toolshed. This pair of Pli Rench vise grips are in perfect vintage condition! This pair of unique Pli Rench vise grips feature a perfect mechanical patina! These have been used and loved! The Whale Tool Corp manufactured this Pli Rench in the early forties to compete with Vise Grip brand! These grips are shaped like a Whale with adjustable moveable jaw! This is a sweet rare find!