Note: School Accessory Kits are delivered to your child's school.From Hetman's:
Hetman Synthetic Rotor Lubricants provide for long-lasting rotary valve performance. The lubricants will protect rotors and valve casings against corrosion and wear while improving valve seal. Synthetic Rotor Lubricants will not swell rubber bumpers or damage plastic components. The 22 ml long-tipped precision needle oiler facilitates application through the slide tubes.