Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece

Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece

Q: 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.

Q: What sizes are these set?

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

Q: What sizes does this set have?

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

Q: Are they made in USA?

Mine are clearly marked > Made in the USA!!

Product ID: 339415671

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Details

Brand
KLEIN TOOLS
Number of Items
1
Head style
Three-point
Material
Alloy Steel
Colour
Black/ Yellow

✋Ergonomic cushion grip handles

🔩7-piece hex sizes 3/16" to 1/2"

🛠️3-inch full hollow shafts for long bolts

Frequently Bought Together

Klein Tools 631 Tool Set, Made in USA, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece

Klein Tools 65160 Tool Set, Made in USA, Metric Nut Driver Set Sizes 5, 5.5, 6, 7, 8, 9, and 10 mm, 3-Inch Chrome-Plate Hollow Shafts, 7-Piece

Klein Tools 85148 Screwdriver Set with Magnetizer / Demagnetizer for Magnetic Tips, Flathead and Phillips, Home Improvement, 9-Piece

Description

🔧 Elevate your toolkit with precision, comfort, and legacy — don’t get left behind!

BUILT TO LAST - Internal flanges provide a twist-resistant shaft anchor for unmatched durability.
TRUSTED LEGACY - Crafted by Klein Tools, a family-owned brand delivering pro-grade quality since 1857.
COMFORT DRIVEN TORQUE - Cushion grip handles maximize your grip and minimize fatigue during extended use.
PRECISION MEETS POWER - Full hollow shafts let you tackle deep bolt jobs with ease and accuracy.
INSTANT SIZE RECOGNITION - Tip-Ident color-coded ends speed up your workflow by eliminating guesswork.

The Klein Tools 631 Nut Driver Set includes 7 essential hex sizes with 3-inch full hollow shafts designed for long bolt applications. Featuring ergonomic cushion grip handles and color-coded Tip-Ident ends, this set ensures quick size recognition and superior torque. Built with internal flanges for twist resistance and crafted from durable alloy steel, it embodies over 160 years of professional-grade American craftsmanship.

Specifications

Manufacturer	Klein Tools
Part number	631
Item Weight	670 g
Product Dimensions	22.86 x 20.32 x 5.08 cm; 670 g
Item model number	631
Size	Non-Magentic
Color	Black/ Yellow
Style	Non-Magentic
Finish	Brushed
Material	Alloy Steel
Pattern	Tool
Shape	Rectangular
Item thickness	1 Inches
Power source type	corded-electric
Item Package Quantity	1
Head Style	Three-point, Hexagon
Measurement System	Inch
Specification met	ANSI
Special Features	Ergonomic
Specific uses	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

Have a Question? See What Others Asked

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

What sizes are these set?

What sizes does this set have?

Are they made in USA?

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