Heat Gun Welding Temperature Guard Accessory Type Heat Gun Welding Temperature Guard Compatible with Grainger Part Number 406P76 406P78 5KNN8 5KNP1 Compatible with Manufacturer Part Number HG 2310 LCD HG 2510 ESD HL 1810 S HL 1910 HL 2010 E Overall Length 3 1/4 in Overall Height 1/64 in Overall Width 3 1/4 in