E9010 1" lnside Radius: 0.8"E9014 1-1/4" lnside Radius: 1.10"E9012 1-1/2 ″ Binnenradius: 1.35E9020 2" lnside radius: 1.80"E9030 3" lnside radius: 2.75"E9040 4" lnside radius: 3.75"