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by Wera

1 4" Hex Shank Socket Adaptor 100mm 3 8" is available for £13.95 at Tooled Up.
Available at Tooled Up
The Wera 870/4 Adaptor with 3/8" external square drive is designed for tradespeople requiring compatibility with larger socket sets. This 100mm adaptor features a 3/8" square output, making it the ideal choice when working with mid-sized fasteners commonly found in automotive, mechanical, and heavy-duty assembly applications. The 3/8" square drive format is the professional standard for general mechanical work, offering superior torque transfer compared to 1/4" drives whilst maintaining manageable socket sizes. This variant bridges the gap between your hex shank power tool and your comprehensive 3/8" socket collection, eliminating the need for multiple ratchets.
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