| DISTANCE BETWEEN BASE AND INSIDE OF ARCH | 58.9 MILLIMETERS NOMINAL |
| DISTANCE BETWEEN MOUNTING HOLE CENTERS | 80.0 MILLIMETERS NOMINAL |
| CUSHION | NOT INCLUDED |
| INSIDE DIAMETER/ARCH LENGTH | 60.8 MILLIMETERS MINIMUM AND 61.0 MILLIMETERS MAXIMUM |
| MATERIAL THICKNESS | 19.75 MILLIMETERS MINIMUM AND 20.25 MILLIMETERS MAXIMUM |
| MATERIAL | ALUMINUM ALLOY |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | LOWER CLAMP |
| MOUNTING HOLE SIZE | 9.00 MILLIMETERS MINIMUM AND 9.22 MILLIMETERS MAXIMUM |
| MOUNTING PAD | NOT INCLUDED |
| OVERALL LENGTH | 100.0 MILLIMETERS NOMINAL |
| OVERALL WIDTH | 38.0 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | GREEN COLOUR;ALSO DYE AND PRIMER SURFACE TREATMENTS |
| STYLE DESIGNATOR | CURVED ARCH |
| SURFACE TREATMENT | ANODIZE AND PAINT |