9.23.76718 Manual Middle Welder for Welding PVC doors and windows. 1. Without Pneumatic energy2. ... like fittings for Tilt & Turn, to the small screws. Window handle, door handles, window hinge, door hinges, friction stay, wind supporter ... , gasket seal, fasten bolts, pneumatic tools, electric tool, welder, etc. 9.23.76718 Manual Middle Welder for Welding PVC doors and windows