Shimano 600EX #PD-6207 Pedals with toe clips and straps from 1985/86 – Velosaloon.com
NOS Shimano 600 (PD-6400) Clip-Style Road Pedals...Late 80's Model w/Cleats | eBay
Shimano 600 pedal question - Bike Forums
Amazon.com : SPD Pedals for Bike with Toe Cages (SPD Cleats Included) - 2-in-1 SPD Shimano Clip Pedals with Toe Straps - Compatible with Peloton, NordicTrack, Other Bikes with 9/16” Spindle : Sports & Outdoors
Shimano EXTRA LARGE Pedal Toe Clips For 7400 & Aero NOS - Vintage NOS Bicycle Parts
Vintage Shimano 600 PD-6207 Track Pedals LOW MILEAGE with LARGE Toeclips | eBay