Here are all the tools I carry around with me on a daily basis.
My kit includes an SD card, KUM pencil sharpener, glue stick, Kaweco Sport XF fountain pen, bone folder, Tombo Mono Adhesive, vintage Days Inn letter opener,
Lamy Al-Star F fountain pen, Sanford NoBlot Ink Pencil 705, Palomino Blackwing 602 pencil with point protector, Pilot envelope pen, vintage binder clip, couple rolls of MT washi tape, KUM pencut scissors, Zebra Color Flight 05 mechanical pencil, Marvy LePens (in olive green, brown, gray, teal and black),
Uni Style Fit 5 multi-pen, assortment of small rubber stamps (including one from Happy Doodle Land), small stamp pad and Creatacolor Monolith pebble eraser.
Everything tucks into the Letter Writers Alliance zipper pouch. Yes, it all fits.
(Buttons on the outside from Alyson at Felt & Wire and Hallmark Cards)
(Shout out to Donovan of 16 Sparrows and LWA for the inspiration to do this. I was amused how similar our kits were.)