Features 1、Made of fine quality chrome vanadium steel, strong and practical, has a long service life. 2、Can be used for sheet metal welding, industrial welding, household welding, butt welding of metal plates, etc. 3、It is a perfect welding auxiliary tool. 4、Suitable for straight or curved plates. The minimum achievable gap is about 1mm but can be larger. Specification Made of fine quality material, practical, easy to operate and use, has a long service life. Features: Made of fine quality chrome vanadium steel, strong and practical, has a long service life. Can be used for sheet metal welding, industrial welding, household welding, butt welding of metal plates, etc. It is a perfect welding auxiliary tool. Suitable for straight or curved plates. The minimum achievable gap is about 1mm but can be larger. Specifications: Material: chrome vanadium steel Color: silver Quantity: 8pcs Item size: 50 * 25mm / 2.0 * 1.0in Package size: 160 * 125 * 30mm / 6.3 * 4.9 * 1.2in Package weight: 550g / 1.2lb Packing List: 8 * Butterfly Welding Positioner Package List 8 * Butterfly Welding Positioner