I've always preferred the look of tulip buttons. If anyone is interested the CE tuner buttons are a straight swap with Kluson® Replacement Keystone Buttons For Revolution Tuning Machines that I found
Tuning keys keystone buttons to fit Grover® - with screws (set of 6) | Allparts UK - trade supplier of guitar, bass & amp parts - the UK's #1 choice for guitar techs
ARROW MOUNTAIN • TULIP ACRYLIC BUTTONS • Orange Popsicle • 16mm x 14mm – The Draper's Daughter
Tulip Buttons With Shank 20mm 6/8 Inch Flower Detail - Etsy
Kluson Keystone Button Vintage Green Pearl - Hardware And Parts from Armstrong Music Limited UK
ARROW MOUNTAIN • TULIP BAMBOO BUTTONS • 16mm X 14mm – The Draper's Daughter
6pcs Guitar Machine Head Tuner Tulip Buttons Black Metel 6941478440179 | eBay
Musiclily Pro 6 in Line Guitar Sealed Tuners Tuning Keys Pegs Machine Heads Set for Fender Stratocaster Telecaster, Tulip Button Chrome : Amazon.co.uk: Musical Instruments & DJ
Tulip Seed Pack From Mill Hill - Mill Hill Buttons - Beads, Charms, Buttons - Casa Cenina
Tulip Buttons Floral Buttons Flower Buttons Sewing - Etsy Canada in 2023 | Button flowers, Floral button, Sewing a button
Gibson TTtuners — Vintage Haven
Hipshot D04 Guitar Tuner Button - Tulip Shape | BTN Music UK
Gotoh 381 Series 3 Aside with Keystone (Tulip) Metal Buttons : Amazon.co.uk: Musical Instruments & DJ