Comparison : Item # C2040 M-1, Double Pitch Straight, Two Sides Attachment
Item # C2050 M-1, Double Pitch Straight, Two Sides Attachment
Item # C2060H M-1, Double Pitch Straight, Two Sides Attachment
Item # C2080H M-1, Double Pitch Straight, Two Sides Attachment
Item # C2100H M-1, Double Pitch Straight, Two Sides Attachment