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Small black steel locking pliers with curved jaws and molded handles

Klein Tools 38600 Curved Jaw Locking Pliers 5-Inch Hand Wrench

SKU CH-9572-SBQ0R MPN 38600

Five-inch curved-jaw locking pliers with a thumb knob for fast adjustment and pinch-free quick-release handles

  • Total length2.2098 L x 8.4074 W x 24.1046 H centimeters
  • Jaw capacity5 in (12.7 cm)
  • Handle styleHigh Carbon Steel
  • Handle size6.1 in (15.5 cm)
  • Jaw size1.68 in (4.27 cm)
  • Position count1
  • Maximum locking force secures round objects firmly
  • Pinch-free quick release prevents finger injuries
  • Intuitive thumb knob enables fast size changes
  • Rust-resistant coating protects against corrosion
  • Molded grips deliver comfort during extended use

Professional-Grade Locking Pliers

The Klein Tools 38600 is a 5-inch curved jaw locking plier built for professional tradespeople and serious DIYers who need a secure hold on round objects. Its high-carbon steel construction and rust-preventative coating are engineered for durability across demanding job sites. Since 1857, the American manufacturer has focused on premium materials for daily professional use.

5-Inch Jaw Capacity

The single specification that determines fit is the 5-inch jaw capacity, which defines the maximum workpiece diameter these pliers can clamp. The curved jaw profile is specifically shaped to grip and turn pipes, rods, and rounded fasteners where flat jaws would slip. This capacity fixes the range of applications for this tool.

Clamping Round Stock

These pliers comfortably handle clamping and turning tasks on round stock up to the 5-inch limit, with the intuitive thumb knob allowing rapid size adjustments. The lever-less quick release provides pinch-free operation during repetitive cycles. They run out when the workpiece exceeds the maximum jaw opening or when a task requires flat-jaw contact for sheet metal or hex flats.

How it compares

Measured against everything we stock in Pliers, Wrenches & Gripping Tools, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 58% of the 2,110 comparable items (median $23.99).

Specifications

Product
Brand nameKlein Tools
Model name38600
Part number38600
Color and finishBlack
Size & build
Size or dimensions6
Main materialSteel
Total length2.2098 L x 8.4074 W x 24.1046 H centimeters
Handle styleHigh Carbon Steel
Handle size6.1 in (15.5 cm)
Jaw size1.68 in (4.27 cm)
Handle constructionSteel
Band materialHigh Carbon Steel
Compatibility
Fit and compatibilityGripping
More details
Jaw capacity5 in (12.7 cm)
Position count1
Commercial or home useGripping

Questions about this item

How does the 5-inch jaw capacity translate when I am clamping round pipe or stock in the workshop?

The curved jaws are shaped to grip cylindrical material up to 5 inches in diameter, giving a secure hold on pipe, rods or rounded fasteners without slipping.

What does the intuitive thumb knob actually control, and what limits the adjustment range?

The thumb knob sets the jaw opening; the tool has a single locking position so the knob simply tightens or releases the jaws rather than selecting discrete steps.

What physical clearance do I need to fit the 6.1-inch handles in a tight engine bay or cabinet?

The handles extend 6.1 inches from the pivot, so allow at least that much swing room plus the 1.68-inch jaw width when positioning the pliers.

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