KLEIN 661 - #1 Square-Recess Tip Screwdriver, 4-Inch Shank
KLEIN 661 - #1 Square-Recess Tip Screwdriver, 4-Inch Shank
Delivery usually 2–5 business days.
The Klein Tools 661 is a professional-grade square-recess tip screwdriver engineered for the rigorous demands of electrical and industrial applications. Designed specifically for working on combination head receptacles, switch plates, and panel screws, this tool provides the precision and durability that tradespeople rely on. Featuring a heavy-duty, heat-treated steel shaft, it is built to withstand high torque without compromising tool integrity.
Performance Features
- Cushion-Grip™ Handle: Provides superior torque and maximum comfort during extended use, reducing hand fatigue.
- Tip-Ident® System: Color-coded handle end allows for quick identification of the screwdriver type and tip orientation in a crowded tool pouch.
- Premium Construction: The chrome-plated shaft is heat-treated for a smooth feel and exceptional corrosion resistance.
- Twist-Resistant Anchor: Internal flanges inside the handle provide a solid, twist-resistant blade anchor to ensure long-term reliability.
- Precision Machined: The #1 square tip is precision-machined for an exact fit into fasteners, preventing slippage and cam-out.
Technical Specifications
| Tip Type | #1 Square-Recess |
| Shank Length | 4" (102 mm) |
| Overall Length | 7.75" (197 mm) |
| Material | Heat-Treated Steel |
| Handle Type | Cushion-Grip |
| Handle Color | Black/Green |
| Standards | Meets or exceeds ASME / ANSI specifications |
What's Included
- (1) Klein Tools 661 #1 Square-Recess Tip Screwdriver
Shipping & Returns
Shipping & Returns
Free Shipping Canada Wide* on Orders Over $149
Orders over $149 (before tax) that weigh 50 lb or less ship free.
Free Shipping Policy Restrictions
Large or heavy items (over 50 lb) ship at the most economical rate available. Orders shipping to the Northwest Territories, Yukon and Nunavut are not eligible for free shipping. *Our free shipping policy is subject to change without notice.
How long will it take to get my order?
Delivery usually 2–5 business days after dispatch. Expedited shipping is available at extra cost on request.
Most in-stock orders placed by 1:00 PM ET (Monday–Friday) ship the same day. Orders placed after 1:00 PM ET, on weekends or on holidays ship the next business day.
Large, overweight and LTL freight orders may need 1 or more extra business days to prepare.
What shipping carriers do you use?
Most orders are shipped courier via Purolator, UPS, or Canada Post. We will use other carriers at our own descretion depending on Product size and weight.
Do you ship overseas?
We are not currently shipping to the USA. We are currently mainly shipping within Canada, and we are slowly adding Other Countries. Please Contact us if you are unable to Checkout. See more out International Orders HERE
I only received part of my order, where is the rest?
Your order may ship in more than one package depending on the quantity or size of the products purchased. Also, items in your order may ship from either of our 2 locations and arrive in separate deliveries.
Sometimes we place smaller items from your order inside of one box to save on shipping so always open all boxes to confirm what you have recieved.
Can I return my product?
Returns and exchanges follow the manufacturer's satisfaction guarantee for each brand. Please contact us before sending anything back, and we will tell you where to send it.
If a product is defective on arrival and you notice it and contact us within 3 days of delivery, Wise Line Tools will handle it and pay the shipping.
You pay the shipping cost of returning an item, or you can bring it to either of our stores.
See our Returns Policy and Warranty Information for details.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Got questions about this product?
Get instant answers powered by AI
Popular Questions
AI-generated answers are for informational purposes. Verify all specifications and policies with official documentation.
Discover more in our FAQ
Shoot our team an email & we’ll get back to you ASAP
How fast will my order ship?
How fast will my order ship?
Most in-stock orders placed before 1 PM ET (Mon–Fri) ship the same day. Delivery usually 2–5 business days after dispatch. You will get a tracking email once your order ships.
Do you ship internationally?
Do you ship internationally?
We mainly ship within Canada and are not currently shipping to the USA. Please contact us about other international orders.
What is your return policy?
What is your return policy?
Returns and exchanges follow the manufacturer's satisfaction guarantee. Please contact us before sending anything back. If a product is defective on arrival and you notice it and contact us within 3 days of delivery, Wise Line Tools will handle it and pay the shipping. You pay return shipping, or you can bring the item to either of our stores. See our Returns Policy and Warranty Information.

