Product size: Ceramic Groove Shield Cups:Top diameter:14.5mm,Bottom diameter:20.5mm,Height:21mm Product useage: 50-60A SG-55 AG-60 WSD-60 Plasma Cutter Torch Consumables These consumables can fit SG55, AG-60,WSD-60 Torch, Which work with CUT60, LGK60, 50DX, 50RX 520D etc. Scenes to be used: Suitable for various homework, cutting, water pipe repair and other scenesGood thermal conductivity High temperature High mechanical strength Long service life