Pipe Size Grip Range (mm) Boss Type Screw (mm) Material (mm)
67cu / 2” 60-69 M12 M8 x 25 25 x 2
76cu / 2 1/2” 75-81 M12 M8 x 25 25 x 2
80nb / 3” 83-91 M12 M8 x 25 25 x 2
108cu 102-112 M12 M8 x 25 30 x 2.5
125mm 122-138 M12 M10 x 40 30 x 3
155mm 153-164 M12 M10 x 40 30 x 3
200mm 196-209 M16 M10 x 40 30 x 3