Sirius 1/2" Drive Tri-Square Spline Socket Bit Extra Long

The Sirius 1/2" Drive Tri-Square Spline Long Socket Bit in XZN 16 is designed for larger-format spline fasteners where precise engagement and strong torque transfer are paramount. The extra-long 140mm body allows this bit to reach deep into assemblies and access recessed fasteners that shorter bits cannot engage. XZN 16 fasteners are typically found in heavier vehicle and machinery components, often requiring substantial torque to loosen or tighten correctly. The precision-machined tri-square spline profile ensures a secure, well-fitted engagement that protects both the fas