Comparison : Item # SDMP15, Super King Long Shank Couplings for Bulk Handling
Item # SK16, Super King Long Shank Couplings for Bulk Handling
Item # SD15, Super King Long Shank Couplings for Bulk Handling
Item # SD20, Super King Long Shank Couplings for Bulk Handling
Item # SDMP20, Super King Long Shank Couplings for Bulk Handling