Stone Mountain Heavy Duty Offset Router Collet Wrench for Most Hitachi & 3-1/4 HP Triton Routers (3/4" Hitachi & Triton 3-1/4 HP Routers) - - Amazon.com
Triton TRC120 Router Collet 1/2" - Screwfix
A guide to Triton Router Collets
Triton Router Collet Sizes - 6mm 8mm 12mm 1/4" or 1/2" | Sealants and Tools Direct