They seem to be made a bit small, I couldn't get 1/2 inch or 3/4 inch to work. I was able to make a 1/2" joint with a 3/4" drill bit.
Universal tool set 151 items 1/2" -1/4" BG151-1214
28 Review
Premium Tongue & Groove Milling π§ Cutting Tools by KOWOOD: Precision and Performance Unleashed
10 Review
Enhance Woodworking Precision with Roundover Milling Rounding Edge Forming Tool
11 Review
Ultimate Guide to KOWOOD Router Pieces for Woodwork Beginners
11 Review