Comparison : Item # H1C-012, One-Piece Clamping Collar Recessed Screw H1C-Series
Item # H1C-018, One-Piece Clamping Collar Recessed Screw H1C-Series
Item # H1C-025, One-Piece Clamping Collar Recessed Screw H1C-Series
Item # H1C-031, One-Piece Clamping Collar Recessed Screw H1C-Series
Item # H1C-037, One-Piece Clamping Collar Recessed Screw H1C-Series


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