Have never measured the sub 70’s for playability, so I can not compare that part of it. Based on what I read, the 699 is a hollow body iron with polymer injected. Our TS1-IM is a hollow body iron that has multiple features to promote great performance. You can read about them here: https://www.golfworks.com/maltby-ts1-im-iron/p/ma0344/
Our TS4 is our best selling blade that gets rave reviews. You can read the features of this model here: https://www.golfworks.com/maltby-ts4-forged-iron-heads/p/ma0348/
TS3 is another one to consider: https://www.golfworks.com/maltby-ts3-iron-head/p/ma0340/
We design our models to have the highest quality and playability possible for whatever category they may fall in. We really do not compare to others, just product high performing models that we take a lot of pride in. Whatever model you decide to try, let us know how it works. Confident you won’t be disappointed.
Britt Lindsey
Thanks so much for the 411 !
will do some more research