General description Replacement parts for electric drills, specifically designed for models Hitachi 321632, D10VH, D10VC2, DV16V, and FDV16VB2. These speed control switches are durable, easy to install, and feature fine workmanship. Technical specifications Part Color: Black Material: Plastic Package Contents: 2 x Switch for 321632 Allowed measurement error: +/- 1-3 cm