Nosepiece Part Type Nosepiece For Use With 6NCX3 6NCX4 6NCX5 For Rivet Diameter 1/4 in Material Steel Nose Length 1/2 in Compatible with Brand Huck Magna-Lok Compatible with Grainger Part Number 6NCX3 6NCX4 6NCX5 Compatible with Manufacturer Model Number AK-175A HK-150A HK-150N