Sandeep MetalCraft Pvt. Ltd offers Smooth Bore Mortar Impact Fuse. Sandeep MetalCraft Pvt. Ltd is an ISO 9001: 2000 accredited company. The Smooth Bore Mortar Impact Fuse of model 162 MK-8 is a very simple designed Mortar Bomb Fuse which functions in the mode of direct action. The Mortar Impact Fuse is used in 81 mm and 120 mm Bombs fired from smooth bore mortars.