Helical aircraft aluminum drive gear offers super fast retrieve capabilities and plenty of winding power. 6 ABEC stainless steel ball bearings keep things running smoothly. Low-profile 413 Cast Aluminum Frame for a sturdy base of operations. 6-pin Centrifugal Brake System delivers complete cast control. Patent-pending "Drag Tracking Technology" system eliminates the sharp angles caused by the levelwind eyelet being out of sync with the line location on the spool, greatly reducing the chance of line breaks. 7075-T6 Aluminum Double Bearing Spool. 5052-H32 Aluminum Anodized Handle. Carbon/Smoothie Double Drag System. Instant Anti-Reverse Bearing. Made in the USA.