Quenched and heat-treated S2 alloy steel bits, hardness arrived at 58-60 HRC, reducing wear-outs. Long arm adopts ball profile design, you can easily tighten and loosen the socket cap screws at a 25-degree entry angle, which helps to get into hard-to-touch places. The ball end is chamfered to slide easily into the fastener, reducing wear on the wrench and fastener head. Long arm/short arm design to apply maximum torque in required applications. Widely used to remove and install most socket cap screws found in furniture, equipment, and most general application.
- standard: metric
- size: 4mm
- material: s2 steel
- finish: bright chrome, spray treatment
- color: yellow, silver tone
- package content:1 x ball end hex key wrench
- ball end tip allow up to a 25-degree angle of entry, making it perfect for confined spaces
- long arm / short arm offers extended range on one end and extra leverage on the other
- widely use to remove and install socket cap screws found in towel bar, door handle, assembling furniture, equipment, and more