From Infinity Cutting Tools:

Oldsmar, FL (April 9, 2019) – Infinity Cutting Tools has announced the release its new mini-Mega Flush Trim Router Bits. The router bits share the same Quattro compression geometry and dual-bearing design as its full-size Mega Flush Trim Router Bits but with a ¼-in. shank for use in compact and trim routers. The mini-Mega Router Bits are available in three different sizes. The 06-128 has a ½ in. diameter and 1-in.-tall cutter height, the 06-130 features a 5/8 in. diameter and 7/8 in. cutter height, and the 06-131 has a 5/8 in. cutter diameter with a 1-3/8-in. cutter height. All three bits can also be purchased together in a set (Item: 00-693).

Fine Woodworking reviewed Infinity’s original ½-in. shank bits in issue #274. You can read that review here.