Perfect for your Raleigh Burner mk1. 1/2" spindle for one piece cranks. Check out these lovely rat trap repro's from Taiwan! Closest you will find to the West German 'Union' pedals from the 80's.

Pedal Axle Size: 1/2 in
Set Includes: Pedals
Brand: Unbranded
Compatible Bike Type: BMX Bike - Old School
Spindle Diameter: 1/2"
Country/Region of Manufacture: Taiwan
Part Type: Flat/Platform Pedals