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Wera 780B/1S Extra Strong 3/8" Square Drive to 1/4" Hex Screwdriver Bit Holder

Wera 780B/1S Extra Strong 3/8" Square Drive to 1/4" Hex Screwdriver Bit Holder

SKU: 260326124429018 EAN: 4013288113450

Compare 3 prices for Wera 780B/1S Extra Strong 3/8" Square Drive to 1/4" Hex Screwdriver Bit Holder — from £14.45 to £18.95 across 3 UK sellers including Tool Store Direct, My Tool Shed, Tooled Up. Save up to £4.50 (24%).

£14.45 18h ago
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Compare Prices from 3 Sellers

Prices updated 31 Oct 2026
2
My Tool Shed
£18.95 +£4.50
7h
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3
Tooled Up
£18.95 +£4.50
7h
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#2 My Tool Shed
7h ago
£18.95 +£4.50
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#3 Tooled Up
7h ago
£18.95 +£4.50
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The Wera 780B/1S is a robust square-to-hex adaptor designed to bridge 3/8" square drive tools with 1/4" hexagon screwdriver bits. This extra-strong adaptor allows tradespeople to use standard hex bits with ratchets, torque wrenches, or other 3/8" square drive tools, significantly expanding the versatility of existing socket sets. Manufactured to DIN ISO 1173-C 6.3 standards, this adaptor features a particularly strong retaining ring that ensures secure bit retention during use. The ball stop groove provides positive engagement with the square drive tool, preventing accidental disconnection under load. At 30mm in length, the adaptor offers sufficient clearance for most applications whilst maintaining a compact profile. Ideal for automotive work, machinery maintenance, and general engineering tasks where access constraints or torque requirements make a ratchet or breaker bar more suitable than a standard screwdriver. The extra-strong construction makes it particularly well-suited for professional workshop environments where reliability and durability are essential. Features and Benefits: • 3/8" square socket drive compatible with standard ratchets and torque wrenches • Accepts 1/4" hexagon drive bits (Wera connecting series 1) • Extra-strong construction with reinforced retaining ring for secure bit grip • Ball stop groove ensures positive engagement with drive tools • Manufactured to DIN ISO 1173-C 6.3 standards Contents: 780 B 3/8" Adaptor, 780 B/1-S x 1/4" x 30 mm Specifications: Length: 30mm Square drive size: 3/8" Hex drive size: 1/4"
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