Highest Quality Premium Synthetic Oil for rotary valve mechanical linkages, ball joints, levers, keys, trigger mechanisms. Perfect viscosity to prevent wear, quieten mechanical action, and give your mechanical parts the juice they need to perform! Can also be used on woodwind keys! Great needle bottle so you can get the oil where you need it! This has no petroleum in it, and is non-staining!

PrestoValves Rotor Spindle Oil 1/2 oz Precision Needle Bottle