Ireland hooker Rory Best is buoyed by the high standard of young front-row forwards coming through the country's ranks ahead of the 2014 Six Nations.
Martin Moore, 22, and Jack McGrath, 24, will be on the bench as prop replacements for Ireland when they take on Scotland in Dublin this weekend.
The pair are now pushing Ireland regulars Cian Healy and Mike Ross for their spots, while hooker Sean Cronin enters the Championship in form.
"I think it (solid reinforcements) obviously brings competition for places which is good for everyone. When you are training it puts pressure on because there are some real quality players there now," Best told IrishRugby.ie about the current front-row depth Ireland has at its disposal.
"So, whenever you are training, if you don't get it right in the scrum, you are going to get done. It closely replicates this weekend.
"That type of thing is great to see. Especially with their age profile. These guys are young. They have got a fantastic future ahead of them but it is important now they know this is just a step up.
"Getting into the extended squad is step one and the next thing is getting into the matchday squad. Then you've got to be looking to start and looking to push on and better yourself every time. With the attitude these boys have, that is the attitude they are going to adapt.
"They will give you that impression. It is great for the squad. Ultimately you need to be able to bank against injuries but competition for places drives everyone on and it's a good thing."