Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,380 pages of information and 220,926 images on early companies, their products and the people who designed and built them.
Designers of the Mole-grip of Charlotte Street, Birmingham, 3
1835 Company founded.
1919 Private company.
1937 Company made public.
1955 Advert on this page for Self-Grip Wrench. 
1956 Advert on this page for Self-Grip Wrench. 
1961 Manufacturers of "Mole" self grip wrenches, metal fitments, pressings and pressure diecastings in zinc and aluminium for the motor, electrical, engineering and aircraft trades. 600 employees.