SwinglineStaples, Heavy Duty, 1/4" Length, 25 Sheet Capacity, 100/Strip, 1000/Box, 1 Pack (35314)

Does anyone know if these with work in a Swingline model 34201? It's an OLD stapler, the T-50's are not wide enough.

are these 24 gauge or 26?

will they work in a stapler model 800?

Will staples work in swingline staple gun, model 200?