Product name: Speed control switch (Compatible model FA210/1B) for HITACHI tools Key benefits Restores full control: replaces a worn or failed switch to variable speed control and on/off functionality to compatible Hitachi electric tools. Precise motor control: builtin electronics provide smooth, variable speed adjustment and reliable momentary contact with lockon capability for sustained operation. Easy to install and use: sized and configured for straightforward assembly into the tool housing and operated by a single pushbutton action. What it does (function) Switch function: Speed control with electronics for variable speed operation. Contact type: Momentary contact with lockon feature for continuous running when required. Compatibility Compatible model number: FA210/1B Fits Hitachi models and part number: HITACHI 995398; H65SC, H55SA, H50SA, PH65A; and tool series 65A / 75A / 85A / 95A (65/75/85/95) Electrical ratings and performance Voltage/current ratings: AC 250V, 10A; 125V, 15A Designed to work with the listed Hitachi tool models to control motor speed reliably within these electrical limits. Physical details and package Main body size (L x W x H): 94 x 52 x 16 mm Package includes: 1 x Switch Practical use scenarios : a faulty or intermittent switch in a compatible Hitachi electric power tool to restore proper speed control and safe operation. Upgrade/refit: Install as a replacement part when refurbishing older tools that require the FA210/1B speedcontrol switch for variablespeed performance. Workshop spare part: Keep in inventory for quick maintenance and downtime reduction in a workshop that uses the listed Hitachi models. Why choose this switch Direct compatibility with specified Hitachi part numbers and models ensures a proper fit without modifications. Integrated variablespeed electronics and lockon momentary contact give both fine motor control and convenience for extended jobs. Compact dimensions match the original switch footprint for straightforward replacement. Included in the box 1 x Speed control switch (FA210/1B compatible)