For reliable, everyday fastening and loosening tasks, the Jefferson 34 Piece 1/2" Impact Socket Set (JEFISOC12-04) is a trade favourite. Engineered for durability, precision, and ease of use, this set provides everything you need for automotive, industrial, or domestic applications.
Constructed from high-strength chrome vanadium steel and designed to handle impact tools, these sockets deliver long-lasting performance while withstanding heavy torque. The full 34-piece range ensures you have the right size at hand for almost any job.
Key Features:
Complete 34-Piece Set: Includes both metric and imperial sizes, covering a wide range of applications.
Impact-Rated: Engineered to withstand use with impact wrenches and power tools.
Durable Construction: Made from chrome vanadium steel for strength and corrosion resistance.
Easy Organisation: Comes in a sturdy, portable case to keep sockets neatly arranged and protected.
Professional Standard: Suitable for trade, DIY, and automotive use.
Technical Specifications:
Product Code: 56JEFISOC12-04
Drive Size: 1/2"
Pieces: 34 (metric & imperial)
Material: Chrome vanadium steel
Use: Impact tool compatible
Case: Heavy-duty plastic storage case
TJ’s Tip:
Always ensure sockets are correctly seated on the fastener before using an impact tool to prevent rounding or damage. Keep the set organised in its case to avoid losing pieces, and clean sockets after heavy use to prolong their lifespan
* Effective from 3 December 2025 * Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.
Zone Indicator:
To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:
Types of goods
Available zones
Descriptions
Small & light items
All Zone area
Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors)
Large and bulky items Extra Large items
Zone 1 & 2 only
Wet & hazardous bagged, items over 20Kg weight & oversized; Euronics white goods, TVs of all sizes.
Large Paint items (6L / 6L+)
Zone 1 only
Large hazardous items (6L+) - available for collection
Available zones
Indicator
Descriptions
All zone area
This icon with all zone area in green, indicates this items can be shipped to all Zone.
Zone 1 & 2 only
Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2
Zone 1 only
Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only.
Old Appliance Collection:
When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.
At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within 30 days of delivery.
This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.
Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.