I lost the 5/16 driver from the set. Can I order a replacement? Where?

Just do an Amazon search for "5/16 Klein nut driver" and it's like $10.

What sizes are these set?

the size's are 3/16 , 1/4 , 5/16 , 11/32 , 3/8 , 7/16 , 1/2

What sizes does this set have?

3/16, 1/4, 5/16, 3/8, 11/32, 7/16, and 1/2"

Are they made in USA?

Mine are clearly marked > Made in the USA!!

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🔧 Master every bolt with Klein’s precision power!

COLOR CODED SPEED - Quickly identify hex size and orientation with vibrant handle-end color coding—no more fumbling or guesswork.
COMFORT MEETS CONTROL - Ergonomic cushion grip handles deliver superior torque with less hand fatigue—work longer, feel better.
PRECISION IN EVERY TURN - 7 essential sizes from 3/16 to 1/2 inch cover your most common fastening needs effortlessly.
REACH DEEPER WORK SMARTER - Full hollow shafts let you tackle long bolt applications without switching tools—efficiency unlocked.
BUILT TO LAST BUILT TO TWIST - Internal flanges anchor the shaft firmly, preventing twist and ensuring durability on every job.

The Klein Tools 631 Nut Driver Set features 7 full hollow shaft drivers in popular sizes, designed for deep bolt access and enhanced torque. With color-coded, cushion grip handles and twist-resistant internal flanges, this ANSI-certified alloy steel set combines durability, comfort, and efficiency for professional-grade fastening.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

$176.04

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Manufacturer	Klein Tools
Part Number	631
Product Dimensions	22.86 x 20.32 x 5.08 cm; 670 g
Item model number	631
Size	Non-Magentic
Colour	Black/ Yellow
Style	Non-Magentic
Finish	Brushed
Material	Alloy Steel
Pattern	Tool
Shape	Rectangular
Thickness	1 Inches
Power Source	corded-electric
Item Package Quantity	1
Head Style	Three-point, Hexagon
Measurement System	Inch
Certification	ANSI
Special Features	Soft Grip
Usage	personal
Included Components	630-3/16, 630-1/4, 630-5/16, 630-11/32, 630-3/8, 630-7/16, and 630-1/2.
Batteries included?	No
Batteries Required?	No
Item Weight	670 g

Nut Driver Set, 3-Inch Full Hollow Shaft, Sizes 3/16, 1/4, 5/16, 11/32, 3/8 7/16 and 1/2-Inch KLEIN TOOLS 631

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