The sievert needle flame torch kit is ideal for jewellery lead welding and modelling it contains the following 1 x 3486 handle1 x 3501 neck tube1 x 8842 burner1 x hose failure valve1 x 4 metre hose single valve handle mainly for smaller burners the spindle and valve are designed to give a very exact and quick flame setting it has an ergonomically designed plastic composite handle and all metal parts