E52-IC15A D=3.2 3M E52-IC15A D=3.2 4M E52-IC15AS 2M E52-IC15ASY 2M E52-IC15ASY 4M E52-IC15ASY2M E52-IC15ASY4M E52-IC15AY D=1 4M E52-IC15AY D=1.6 1M E52-IC15AY D=1.6 4M