RB-106 High Precision Steel Router Collet Reducer 8mm Overall Dia x 1/4
Saipe 6pcs High Precision Trimmer Collet Adapter 6mm 1/4" 8mm Router Bit Collet Chuck Clamping Adapter for Engraving Trimming Machine Electric Router Milling Cutter - Amazon.com
Amana Tool High Precision Router Collet Reducers
T00189 - 8mm Collet for 5 HP Router - Colex Finishing Solutions
A-XINTONG 1/4" 8mm 1/2" Shank Router Bit Extension Chuck Adapter with 4PCS 1/4", 8mm, 12mm, 1/2" ER20 Spring Collet, ER20 M Type Collet Chuck Wrench Spanner for Milling Cutter Router Bit (1/2+ER20) -
1/2" to 8mm Collet Reducer 172-8 - Leigh Dovetail Jigs and Mortise Tenon Jigs
Festool 494460 - 8mm collet for 1400/2200 - BitsBits.com