Comparison : Item # GH1C-012-B, One-Piece Clamping Collar Recessed Screw GH1C-Series
Item # GH1C-018-B, One-Piece Clamping Collar Recessed Screw GH1C-Series
Item # GH1C-025-B, One-Piece Clamping Collar Recessed Screw GH1C-Series
Item # GH1C-031-B, One-Piece Clamping Collar Recessed Screw GH1C-Series
Item # GH1C-037-B, One-Piece Clamping Collar Recessed Screw GH1C-Series


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