Klein 646-3/8 6 Inch Shank 3/8 Inch Hollow Shaft Nut Driver
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Manufacturer Klein Tool
Mfg Catalog # 646-3/8
North Coast Part # 215216


  • Reaches into deep recesses
  • Fits over extra-long bolts and studs
  • Full hollow shafts facilitate work on stacked circuit boards or other long bolt applications
  • Internal flanges provide solid, twist-resistant shaft anchor
  • Premium chrome plated for smooth feel and corrosion resistance
  • Meets or exceeds applicable ASME / ANSI specifications
  • Handle end is also color coded for easy identification
  • Cushion-Grip handle allows for greater torque and comfort
  • Tip-Ident® quickly identifies nut driver and size


  • Always wear approved eye protection.
  • NOT insulated. Will NOT protect against electrical shock.


  • Color Code: Blue
  • Sub Brand: Cushion-Grip
  • Material: Steel
  • Application: Bolt Applications
  • Weight: 4.8 oz (136 g)
  • Handle Material: Rubber
  • Magnetic: No
  • Overall Length: 9.75" (24.8 cm)
  • Insulated: No
  • Nut Driver Sizes: 3/8"
  • Shaft Length: 6" (15.2 cm)
  • Style_Name: 3/8-Inch Tip
  • Configuration: Non-Magnetic
  • Size_Name: 6-Inch Shaft
  • Item Height (in): 0.9900
  • Item Width (in): 2.3400
  • Item Depth (in): 9.7500
  • Item Weight (lbs): 0.3000


GTiN 00092644650345
Type Handgrip
Material Steel
Shank Size 6 in
Weight 0.300 in
Handle Material Rubber
Family Brand Name Klein Tools
Overall Length 9-3/4 in
Product UPC 09264465034
Shank Length 6''
CA Prop65 Warning WARNING: Cancer and Reproductive Harm See www.P65Warnings.ca.gov for more information.
Color Blue
Insulated? No
Sub Brand Cushion-Grip
Length 9-3/4 Inch
Width 2.340 in
Applications Bolt Applications
Depth 9.750 in
Height 0.99 Inch

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