Tubes for drawing oil from various size dipstick tubes. Includes: 5/16" and 1/4" tube for insertion into engine dipstick tube and 1/2" hose for installation with clamp over the dipstick tube. FREE SHIPPING Availability: Usually ships the next business day. Part# OP-610-3$70.00 If you have any questions, please email them to: info@enginegearonline.com