Pneumatic single-hand sealer A461 used for joints can be operated single-handed. It is fitted with a safety mechanism which prevents poor seal joints resulting from faulty operation.   The pneumatic sealer can be used easily with one hand only  The safe upcut double notch joint is accomplished in one strike  The seal safety mechanism prevents poor seal joints as a result of faulty operation of the tool by the user  The tool can be supplied with the handle in a 90° angle to the strap (N-version) or with the handle parallel to the strap (P-version)