Silverline Deep Spark Plug Socket Set 16mm and 21mm 1/2 inch 793760

Silverline Deep Spark Plug Socket Set 16mm and 21mm 1/2 inch

Barcode: 5055058124371

MPN: 793760

Overview:

1/2 inch Drive 16mm and 21mm Deep Spark Plug Socket Set designed for easier spark plug removal and installation on a wide range of petrol engines. This 2-piece set is manufactured from tough steel, hardened and tempered for durability, then chrome plated with a corrosion-resistant chrome vanadium finish for strength and easy cleaning. Each deep socket includes a rubber insert to help retain the spark plug during removal and protect the ceramic insulator, while the chamfered end supports positive nut location for confident engagement. Ideal for garages, workshops and DIY servicing where a 1/2 inch drive setup is preferred.

Key Features

• 2-piece deep spark plug socket set for 1/2 inch drive ratchets and extensions

• Includes common metric sizes: 16mm and 21mm

• Hardened and tempered construction for long service life

• Chrome plated with chrome vanadium finish for corrosion resistance

• Rubber inserts retain spark plugs and help protect the ceramic body

• Chamfered ends for positive location and easier engagement

• Deep socket profile suits recessed spark plug wells

Specifications

• Brand: Silverline

• Product Type: Deep Spark Plug Socket Set (Metric)

• MPN: 793760

• Drive Size: 1/2 inch

• Sizes Included: 16mm, 21mm

• Quantity: 2 piece

• Hardened: Yes

• Construction: Hardened and tempered steel

• Finish: Chrome vanadium, chrome plated

• Retention: Rubber insert (plug retention and protection)

• End Feature: Chamfered for positive location

Applications

• Removing and installing spark plugs during routine servicing

• Vehicle maintenance and tune-ups in garages and workshops

• DIY spark plug changes on petrol engines using 16mm or 21mm plugs

• Working in deeper spark plug recesses where standard sockets may not reach

How to Use

• Select the correct socket size (16mm or 21mm) for the spark plug

• Attach the socket to a 1/2 inch ratchet and extension bar as required

• Seat the socket fully onto the plug hex using the chamfered end

• Turn steadily to loosen and remove the plug, allowing the rubber insert to retain it

• Start the replacement plug by hand before tightening to avoid cross-threading

• Remove the socket straight off the plug to help protect the ceramic insulator

1/2" Inch Drive Deep Spark Plug Socket Set – Key FAQs

• What sizes are included in this spark plug socket set?
  The set includes two deep spark plug sockets: 16mm and 21mm, covering many common plug hex sizes.

• What drive size do these sockets use?
  These sockets are designed for 1/2 inch drive ratchets and extension bars, ideal for users who prefer a larger drive setup.

• What do the rubber inserts do?
  The rubber inserts help retain the spark plug inside the socket during removal and installation, and help protect the plug’s ceramic insulator.

• Are these sockets corrosion resistant?
  Yes. They feature a chrome plated finish with chrome vanadium for corrosion resistance, strength and easy cleaning.

• What is the benefit of the chamfered end?
  The chamfered end helps guide the socket onto the spark plug hex for positive location, improving engagement and reducing the chance of slipping.

• Are these suitable for deeper spark plug wells?
  Yes. The deep socket design helps reach spark plugs positioned in recessed areas, making servicing easier and more controlled.