10pcs 4mm Ball End Allen Wrench sets,4mm Hex Key Wrench set,4mm ball end Hex Driver allen key Door Key L Shaped hex wrench set with Long Arm 139mm lengh.4mm ball end hex wrench

Heat-treated chrome vanadium alloy steel drop forged body provides long life. Nickel-plated finished improves the ability of Long Time for use in complex environments. The hexagon 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 drive internal hexagon socket screws found in furniture, equipment,prop wrench,, and most general application. Specification: Standard: SAE Size: 4mm allen wrench Long Arm Length: 139mm / 5.47 inch Short Arm Length: 27mm / 1.06 inch Material: Chrome Vanadium Steel (CR-V) Finish: Nickel Plated Package Content: 10pcs x 4mm Ball End Hex Key Wrench

• 4mm Ball End Allen Wrench Size: Total 10pcs 4mm Ball End hexagon head hex key.The Long arm length of this hex keys is 139mm (About 5.47 inch) .The short arm length is about is 27mm (About 1.06 inch)
• 4mm ball end hex wrench Product Construction: This 4mm hex wrench is Heat treated chrome vanadium alloy steel drop forged body provides hardness, high torque and toughness. With nickel-plated finish
• Chamfered End: This allen wrenches sets Insert smoothly into the fastener head, reducing wear on the wrench and fastener head
• Long Arm / Short Arm: This 4mm ball end Hex Driver allen key set offers extended range on one end and extra leverage on the other
• Widely Use: This 4mm Ball End hex keys is used to remove and install socket cap screws found in towel bar, door handle, assembling furniture, equipment,prop wrench.Fit for end cap, push bar panic exit devices, dogging assembly, dogging doors, gym door, crash bar, church, bar, restaurant or other exit devices, hex screws which with a door lock ware at this size 4mm