This is a front spring compressor tool attachment marked with number 899502. I have two, $40 each, you may buy one or two. It came from a Jaguar, MG, Triumph dealer who closed about 1980. It is a rare  factory tool, Part of a special CHURCHILL  scissor type press; . Any advice to identify would be appreciated.  I have other Churchill tools ..Please inquire  1954JAGUARS  or 1 954 JAGPART, for questions. Also, for parts. please  go to my eBay store, Old English Motor Company.  I have 15 hundred original parts like this,1950-1994; organized in 20 categories, including Jacks, Tools and Accessories...   Click on the one you want. . There are  many thousands more, for all English cars; in my warehouse. I have been compulsively hoarding and running a restoration shop for 40 years. If you don't see what you need, please ASK. I will put it in the store for you, with photos...SHIPPING in the US is Fedex, out of the US is Priority Mail, but is an Estimate. Please give me out of US address for correct cost. Please give me your address.. .. James Dean, thejaguru.  .. note, I am now located in   Sebring, the Heart of Old Florida