These Daiwa Sealine H Reels come complete with Rugged one piece aluminum frame and Strong aluminum spool and side plates.  Hard anodized and paraffined finish  and 2 Sealed stainless steel ball bearing.  Machine cut bronze and stainless steel gears, Smooth disc drag  and Spool Click.  Nothing to add.  It's all included in these Saltwater Reels.

Model       Ratio       Line Retrieve

300H        3.7-1         29.9"

350H        3.7-1         29.9"

400H        3.4-1         30.5"

450H        3.4-1         30.5

600H        3.1-1         32.7"

900H        2.9-1         35"