Size (inch) A (mm) B (mm) C (mm) ORDER NUMBER Step 3 1.0 50.50 22.40 5.50 1515001-0100 1.5 50.50 35.00 5.50 1515001-0150 2.0 64.00 47.80 5.50 1515001-0200 2.5 77.50 60.50 5.50 1515001-0250 3.0 91.00 73.10 5.50 1515001-0300 4.0 119.00 97.80 5.50 1515001-0400