Spark plug socket 5/8 details
SK Tools 3/8-Inch Drive 5/8-Inch Extra Long Spark Plug Socket (4421)
SK Hand Tools 4421 3/8-Inch Drive 5/8-Inch Extra Long Spark Plug Socket is designed for professional technicians and DIY enthusiasts who need extra reach for spark plugs in engines. The high-polish SuperKrome finish ensures durability and corrosion resistance, while the SureGrip hex design minimizes fastener rounding and provides reliable performance.
Extra-long 5/8" spark plug socket for deep-set spark plugs.
SureGrip hex design drives the side of the fastener, not the corner, to prevent rounding.
Patented SuperKrome finish delivers high polish, corrosion resistance, and long life.
External hex bolster allows for extra turning power with a wrench.
Cold-forged with high alloy steel for maximum strength and durability.
Provides easy access to spark plugs in tight or recessed engine areas.
Reduces fastener damage with SureGrip design.
Durable SuperKrome finish ensures long-lasting corrosion resistance.
External hex bolster enables additional torque when needed.
Professional-grade construction for reliable performance in automotive applications.
Technical Specifications:
Drive Size: 3/8"
Socket Size: 5/8"
Socket Type: Fractional Extra Long Spark Plug Chrome
Finish: SuperKrome
Material: Cold-forged high alloy steel
Product identification
- Brand: SK Hand Tools
- Model / MPN: 4421




