The Shimano Thunnus CI4 TU4000CI4 Spinning Reel is a lightweight, powerful, and very nimble baitrunning spinning reel that anglers everywhere love for its combination of smoothness and reliability. Designed with the same famous baitrunner system as the standard Shimano Baitrunner reels, the TU4000CI4 is an upgraded version with 6 A-RB bearings for increased smoothness and a CI-4 Carbon body that cuts weight and keeps you in the game longer. When the bait switch is engaged your spool will spin, controlled of course by a separate drag knob at the back of the reel, with the bail closed until you crank the handle engaging the main drag system. This lets you fish bait, either live or dead, in a way never before possible with a spinning reel! 15# of max drag puts this reel in range of smaller inshore fare including stripers, blues, redfish, sea trout, weakfish, snook, and small mackerel. Unique to the Thunnus version of the reel is the Hagane main gear, that’s drawn up digitally and 3-D printed so there’s no cutting involved – this gives you an incredibly fluid retrieve that is un-matched in any baitrunner style reel on the market today. The Shimano Thunnus CI4 TU4000CI4 Spinning Reel comes equipped with Propulsion Line Management – a spool that’s been rigorously tested and improved to increase casting distance while virtually eliminating the possibility of wind knots. Speaking of the spool, it’ll hold 200 yards of standard 20# braid.