RC-1250 2.25 in (57 mm) 3.5 in (89 mm) 2 in (51 mm) 4 in (102 mm) Metal 0.625 in (16 mm) 0 degrees 0 in (0 mm)
RC-1252 2.25 in (57 mm) 3.5 in (89 mm) 2 in (51 mm) 4 in (102 mm) Metal 0.625 in (16 mm) 0 degrees 0 in (0 mm)
RC-1253 2.25 in (57 mm) 3.5 in (89 mm) 2 in (51 mm) 4 in (102 mm) Metal 0.625 in (16 mm) 0 degrees 0 in (0 mm)
R-1260 2.25 in (57 mm) 3.5 in (89 mm) 2 in (51 mm) 4 in (102 mm) Rubber 0.625 in (16 mm) 0 degrees 0 in (0 mm)
RU-3560 2.25 in (57 mm) 5.125 in (130 mm) 4.625 in (117 mm) 6 in (152 mm) Rubber 0.625 in (16 mm) 0 degrees 0 in (0 mm)

This picture is of the R-1260 with the black cap, while most others have the chrome cap and they also cost more whle the black is the chipper one for fewer $$$