Phil,

try this penetrating oil.

I have used on very rusty shackles in a marine environment

spray on leave for a few minutes, tap spanner with a hammer and you may get movement

liquid wrench

http://uk.rs-online.com/web/p/lubricants/4930753/

or

http://www.amazon.co.uk/English-Abrasive...7PHE2X4FD4FJ6HV


Pete

Last edited by recycled-teenager; 15/03/16 02:58 PM.