That was back in the 70th the first what we put on our bikes, the Clubman style M-handlebar. Comparing to a pair of clip-ons, easy to fix and brings back for sure the real look of that time.
7/8" / 22mm chromed steeltube, fits most metric bikes. Check clearences, may require changes on the steerstop to prevent handlebarends from hitting into the fueltank.
Wide: 710mm
Downsweep of bar ends: app.100mm
Wide at clamp: 200mm
Distance knurled clamp areas 120mm (outside) 80mm (inside), 20mm wide each
Backsweep: app. 30mm
Also in 1" for H-D and Triumph under order Nr. 888202