They are called Laurier probes, not Laurel, by the way (smile). Mike Roy will answer you, I'm sure. The Laurier probe would be easier to handle than a One Touch.
Dee Fahey, R.N., C.T.
Licensed by the State Medical Board of Ohio for Nursing license and Cosmetic Therapy/Electrolysis license
British Institute & Association of Electrolysishttp://www.electrolysis.co.uk/?page_id=16