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The WIHA 28187 is a 32-piece interchangeable bit screwdriver handle set built around a 1/4 inch drive system. The ergonomic Softfinish multi-component cushion grip handle accepts all Drive Loc Vi blades and includes an adjustable, reversible locking blade mechanism with ball retainer hold for secure bit engagement during use. Bits are manufactured from chrome-vanadium-molybdenum tool steel for durability across repeated use. The set arrives organized in a portable wallet, making it practical for field service, bench work, and panel work where multiple drive types are needed in a single compact kit. ESD-safe construction makes this set appropriate for sensitive electronic and control board work.
This set is suited for HVAC technicians, electricians, plumbers, and other trade professionals who need a wide range of drive types in a single handle system. The included bits cover Hex, Nut Driver, Phillips, Slotted, Square, and Torx profiles, spanning Torx sizes T6 to T40, Phillips sizes 0 through 2, and Slotted sizes 1.5 mm, 2 mm, 3 mm, and 4 mm. It is appropriate for residential and light commercial service work where fastener variety is common, such as equipment panel removal, control board access, and component replacement tasks.
Compatible with all WIHA Drive Loc Vi interchangeable blade system bits using the 1/4 inch drive interface. Designed as a general-purpose interchangeable handle set for use across trade applications requiring multiple fastener drive types.
This tool is used by licensed electricians, HVAC technicians, and plumbers during equipment service and installation. Always de-energize electrical panels and control systems before using screwdrivers near live components. ESD-safe tools should be used in conjunction with proper grounding practices when servicing sensitive electronics. Inspect bits for wear or damage before each use and replace worn bits to avoid fastener damage.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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