Imperial Long Hex Key Ball End Swing Set 1/16 - 3/8" - 9 Piece

About this item:

• High-performance S2 alloy tool steel for superior strength and durability in demanding applications.
• 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 1/4, 5/16 & 3/8
• High Hardness for Long Tool Life – Heat-treated S2 steel can reach around HRC 58–62 hardness, providing excellent wear resistance and extended service life
• Exceptional Torsional Strength - Designed to withstand high torque loads without twisting or deforming, allowing greater tightening power on stubborn fasteners.
• Superior Shock & Impact Resistance – S2 steel is classified as a shock-resisting tool steel, making it ideal for hex keys subjected to repeated stress and heavy use.
• Excellent Wear Resistance – The hardened structure resists rounding and wear, maintaining precise hex geometry for consistent fastener engagement.
• Higher Torque Capacity – S2 steel hex keys can deliver up to 33% more torque than standard hex keys, improving performance in heavy-duty applications.
• Professional-Grade Performance – Ideal for automotive, industrial, maintenance, and assembly environments requiring reliable and long-lasting tools.