Llave de boca KS Tools 517.0542 Acero 42mm 350mm

The KS Tools 517.0542 open end wrench is a hand tool made from durable steel, sized for a 42 mm fastener and measuring 350 mm in overall length. Weighing approximately 700 g, this open ended spanner is designed for heavy-duty applications and professional use in automotive and mechanical work.

Advantages

This open end wrench offers a robust steel construction for increased durability and resistance to wear. Its 42 mm jaw size and 350 mm length provide greater leverage for loosening and tightening large nuts and bolts. The tool's weight and build deliver stable handling in demanding tasks, and the standardized design is compatible with common fasteners used in automotive and industrial maintenance.

Suitable for

• Automotive repair and maintenance
• Mechanical assembly and disassembly
• Heavy-duty workshop tasks
• Industrial maintenance where 42 mm fittings are used

Key specifications

• Brand: KS Tools
• Model / MPN: 517.0542
• Type: Open end wrench (single open ended spanner)
• Material: Steel
• Jaw size: 42 mm
• Length: 350 mm
• Weight: approx. 700 g
• EAN: 4042146109151

How to use

Select the open end wrench so the 42 mm jaws match the nut or bolt. Position the wrench fully over the fastener to ensure maximum contact between jaw faces and the fastener. Apply controlled force in the required direction to loosen or tighten, using the 350 mm length for additional leverage when needed. Avoid sudden impacts and ensure correct alignment to reduce rounding of fastener corners.