A secured transaction is a transaction that is founded on a security agreement. A security agreement is a provision in a business transaction in which the obligor, or debtor, in the agreement gives to the creditor the right to own property owned or held by the debtor.
If your brush has two speeds, and uses brush heads with slim-angled necks, then you have a Sonicare Elite. An Elite toothbrush has a thread collar screw on brush head.
Brush Cutter Blades. I have an Echo SRM210 string trimmer with the brush cutter attachment. I have been very happy with the trimmer but the brush blade (8, 80-tooth, 20mm arbor) dulls too quickly cutting even small stems of mesquite and huisache. The standard Echo blade is a simple steel tooth one.