WADFOW 1/2" Drive 21mm Spark Plug Socket Cr-V Deep Socket Removal Tool WCS4221

Description

Model: WCS4221 (also cataloged as WSC4221)

Standard 21mm (13/16") Spark Plug Fitment: Specifically sized for installing and removing standard 21mm (13/16-inch) spark plugs commonly found in older vehicles, heavy automotive engines, motorcycles, generators, and outdoor power equipment.

Standard 1/2" Square Drive: Compatible with all standard 1/2-inch drive ratchets, extension bars, breaker bars, and torque wrenches for high-torque leverage and smooth workflow integration.

Industrial Chrome Vanadium (Cr-V) Steel: Forged from high-grade Chrome Vanadium steel and fully heat-treated for maximum toughness, torsional strength, and resistance to deformation under load.

Internal Rubber Retaining Insert: Features a built-in rubber grommet inside the socket chamber that firmly grips the porcelain insulator, allowing safe, effortless extraction of the spark plug without damage.

Deep Wall 6-Point Profile: Deep socket design accommodates long spark plug terminal posts, while the precision-machined 6-point interior contacts the flat edges of hex heads to prevent slipping and rounding off fasteners.

Knurled Non-Slip Ring & Chrome Plating: Machined with a textured knurled outer band for easy finger-spinning and hand-starting, treated with a polished chrome finish for rust and oil resistance.