Description Pack quantities: Select low-cost items on this page are sold in multi-packs. The pack quantity is shown with each selection and the price shown is per pack. Campbell Driven Well Equipment Accessories by Campbell Manufacturing. Drive Couplings: SWDC5 (1-1/4") and SWDC8 (2") for connecting well point sections Drive Caps: MDC5 (1-1/4") and MDC8 (2") to protect pipe end during driving WP2: plastic hand-lift pump | PP2: cast iron pitcher pump PP2-PA: replacement plunger assembly for PP2 pitcher pump Cup leathers and valve leathers for pitcher pump service DS6 1/4W: 6-1/4" drive shoe with weld cable for driven well installation