Telescope's bundled 10mm is Plössl and besides narrow AFOV with short uncomfortable eye relief.
So would recommend replacing also that.
For example 9mm Svbony would be good for low budget. Besides more comfortable eye relief wider AFOV helps in finding and keeping target in fiew with manual telescope.
6mm and 9mm would give pretty godo magnifications for moon/planets.
"Red ring" variants would have little more finished design with grippy area: https://www.amazon.com/dp/B07CCKFDZY
Ok, so I thought eyepiece and lens were basically the same thing. I searched "telescope barlow" and found the Svbony 1.25" 3x barlow lens. Is that good, or should I go with the 2x? Will this replace the lens that's currently on my telescope that the eyepieces insert into? Or will this insert into what's already there, then I'll insert the eyepieces into this?
Also, is this the eyepiece you were referring to: