All Sidchrome Custom Kit tools are built to last a lifetime and are suitable for all users, in the workshop, at home or on the job site. This kit is the ideal size for automotive mechanical work (AU, JDM & European) and general residential and commercial maintenance activities.
https://www.totaltools.com.au/201184-sidchrome-35-piece-1-4-…
- 1/4" Pear Head Ratchet
- 1/4" Extensions: 55mm, 100mm
- 1/4" Spring Clip Bit Holder
- 1/4" Universal Joint
- 1/4" 6 Point Sockets: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm
- 1/4" Slotted Bits: 4mm, 5.5mm, 6.5mm
- 1/4" Hex Bits: 3mm, 4mm, 5mm, 6mm
- 1/4" Philips Bits: PH1, PH2, PH3
https://www.totaltools.com.au/201183-sidchrome-27-piece-3-8-…
- 3/8" Pear Head Ratchet
- 3/8" Extensions: 75mm, 125mm
- 3/8" Universal Joint
- 3/8" 12 Point Sockets: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm
- 3/8" 6 Point Sockets: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"
with the 1/4" you get a 6.35mm sized ratchet but you get phillips slot and hex bits
with the 3/8" you get a 9.5mm sized ratched but no screwdriver bits
your choice
would larger be better for most uses? and you should shitloads of driver bits anyway