- Compatibility and purpose: Folding pliers for light steel keel series 150/75, designed for curved metal and plastic plates in door and window construction. Suitable for ceilings, suspended ceilings, and rusty steel plates. A specialized tool for window constructions. - Design features: Folding pliers with gaps on both sides to control clamping depth for convenient clamping and bending of flat corners. Locking switch to secure the tool for transport; open it when in use to facilitate operation and help extend tool life. - Ease of use: Double dipped handle for superior comfort when bending, sewing or smoothing sheet metal. Ergonomic grip supports long work sessions without fatigue. - Material and durability: Made from high quality chrome vanadium steel, sturdy and durable in use. Resistant to aging and abrasion, providing maximum strength and a long service life. - Specific use scenarios: - Installing window frames and related structures that require shaping curved metal or plastic plates. - Working on ceilings or suspended ceilings, including fittings on rusty steel plates. - General sheet metal bending, clamping, and smoothing tasks in window construction or metalworking projects.