Description Overview Used to bend all kinds of frame wire into four arcs for spring mattress Specifications Wire diameter: Ø4 to 6.5 mm Range of frame width: 800 to 2200 mm Range of frame length: 1600 to 2200 mm Operation pressure: 0.5 to 0.8 MPa Dimensions and Packing Machine packing size: 2620 mm × 460 mm × 390 mm Packing: Paper carton