Now these have been really popular! Handle shank is a genuine Abu Garcia part originally from an older style Abu, being chrome plated brass, this is probably one of the more sturdy handles out there. The knobs are wood with chrome posts. The knobs are lacquered. Nice thing about these knobs is you can disassemble them to clean them! I hate having a piece of sand or dirt in my handle knob when I'm fishing.....always makes me feel like I don't take good care of my stuff! Each part in these handle knobs is available as a separate part, so if you were to ever wear one out (I've yet to do so) you can replace just that part. The screws in the knobs are stainless steel and the posts are anodized aluminum. Included in this kit is a chrome handle lock and screw, as well as a chrome handle nut, either left or right hand, you specify, for your reel. Handle will fit any standard Ambassadeur casting reel 6600 size and smaller as well as many Daiwa baitcast reels. (hole size in handle is 5mm x 8mm) I guarantee you won't be disappointed with this purchase!