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The Open Organisation of Lockpickers (Toool) is registered at the Dutch Chamber of Commerce under number 34185673.

The board is Jan-Willem Markus (President), Hugo Brakman (Treasurer), and Henri Rusman (Secretary).

Contact details:

The Open Organisation Of Lockpickers, De Heuvel 310, 3701ZP, Zeist

+31(0)6 3496 8828


At Toool we prefer to communicate via e-mail. Please mail us at if you have questions about our hobby, the meetings, technical issues, media inquiries, presentations or what else is on your mind.

Please note: If you have questions about Toool US and their shop, please contact them at

It you would like to attend a gathering, please submit your motivation and a bit of your background via e-mail to either or, depending on which gathering you would like to attend.

Bank account

Rabobank Arnhem
IBAN NL 96 RABO 0108 0652 51