Applicable Model:This vacuum machine trigger lock is suitable for V7, V8, V10, V11, V15 vacuum machine, which can be perfectly compatible with your machine. electrical equipment. electrical equipment. Easy to Use:No assemble work requested, and the disassembly and assembly can be realized in three simple steps. Vacuum Trigger Lock Trigger. electrical equipment Lock Trigger. your Finger:Just slide the switch, easy to maintain the on and off status. your fingers and keep your vacuum machine running all the time, make your housework more easier. Easy to Use:No assemble work requested, and the disassembly and assembly can be realized in three simple steps. Vacuum Trigger Lock Trigger. electrical equipment Lock Trigger. your Finger:Just slide the switch, easy to maintain the on and off status. your fingers and keep your vacuum machine running all the time, make your housework more easier.