Klein Tools 33803 ProFlex set in case showing modular storage for quick job site access.
Klein Tools ProFlex torsion zone demonstrates durable performance in high-impact tasks.
Klein Tools ProFlex adjustable screwdriver with cushion-grip for comfortable longer use.
Klein Tools ProFlex magnetic bit holder secures bits during fastener work.
Klein Tools MODbox-compatible case stacks with other organizers for organized storage.
Klein Tools storage tray keeps loose fasteners and extra bits within reach.

KLEIN TOOLS

Klein Tools 33803 ProFlex 42-Bit Impact Driver Set | Adjustable Screwdriver & Modular Case

High-performance tools and home improvement made for confident daily results

$56.41

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium tools and home improvement quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Return & RefundEasy returns and policy details Shipping PolicyDelivery process and tracking info
Share

Why customers choose TaskHolt Tools

Overview

The Klein Tools 33803 ProFlex kit combines a comprehensive 42‑bit collection with an adjustable screwdriver, all housed in a rugged, MODbox‑compatible case. Crafted with high‑impact rated S2 steel, the bits feature a tuned torsion zone designed to absorb impact energy and help extend tool life. The modular case system, steel hinges, and stay‑shut latch are built to endure busy job sites while keeping contents protected and organized.

Built for durability and precision

  • IMPACT-REINFORCED DESIGN: 42 bits plus an adjustable screwdriver, ready for repetitive use in demanding environments.
  • TORSION ZONE TECHNOLOGY: A recoil‑dissipating zone helps reduce wear on bits during high‑torque tasks.
  • CUSHION-GRIP HANDLE: Ergonomic, soft‑touch grip with a quick‑adjust push button for easier length changes and comfortable handling.
  • MAGNETIC BIT HOLDER: Strong magnet inside the barrel helps retain bits and securely hold fasteners as you work.
  • MODBOX ACCESSORY CASE: Compatible with other MODbox designs for stacked storage and easy transport.
  • STORAGE TRAY: Keeps loose fasteners and extra bits neatly separated for quick access.

Smart storage and on‑site organization

  • MODBOX COMPATIBILITY: Stackable design makes it simple to pair with similar organizers on a workbench or in a tool cart.
  • RUGGED CONSTRUCTION: Steel hinges and a stay‑shut latch help protect contents when the kit travels between sites.
  • ORGANIZED SETUP: The compact modular system reduces clutter and helps you locate the right bit faster.

Real‑world use cases

Designed for professional tradespeople and serious DIY enthusiasts, this set supports a range of tasks—from assembly and repair to routine fastener changes. The magnetic holder helps keep small screws handy, while the adjustable screwdriver speeds up variable-length work. The case’s modular design makes it easy to expand with other organizers as your toolkit grows.

About Klein Tools

With a heritage spanning more than 160 years, Klein Tools delivers premium, professional‑grade hand tools. The family‑owned company emphasizes quality materials, precise workmanship, and tools designed to stand up to daily use on the job site.

What you get

  • 42 impact‑rated bits
  • Adjustable screwdriver
  • Impact‑resistant MODbox case with storage tray
  • Modular design compatible with other MODbox cases

FAQ

Q: What is included in the Klein Tools 33803 ProFlex set?

A: The kit includes 42 bits and an adjustable screwdriver, totaling 44 pieces, stored in an impact-resistant MODbox case.

Q: Is this set MODbox-compatible?

A: Yes, the case stacks with other MODbox designs for organized tool storage.

You may also like