Catalog number Trade size (inch) I.D.(mm)  A(mm)  B(mm)  C(mm)  D(mm)  Metric Thread  Packing (pcs) 
L21410316(no insulating liner) 3/8" 11.5 29.0 40.0 12.5 16.0 M16x1.5 50
L21410320 3/8" 11.5 29.0 40.0 14.5 20.0 M20x1.5 50
L21410420 1/2" 14.5 34.5 45.0 14.5 20.0 M20x1.5 50
L21410625 3/4" 19.5 41.5 53.0 16.0 25.0 M25x1.5 25
L21411032 1" 25.0 46.0 59.0 19.5 32.0 M320x1.5 25
L21411240 1-1/4" 33.5 55.5 69.0 20.5 40.0 M40x1.5 15
L21411450 1-1/2" 38.5 63.2 77.0 24.5 50.0 M50x1.5 10
L21412063 2" 49.5 76.0 95.0 27.0 63.0 M63x1.5 5