Pratley P/Lok Grade Pen 50g Thread Locker (4-Pack)

Pratley P/Lok Grade Pen is a medium-strength thread locker formulated as an ultra-low-viscosity pen applicator for precise, controlled application to fasteners and assemblies. The pen design allows easy wicking into press fits, knurls, and micro-porosity in welds and castings, making it ideal for electricians, engineers, and maintenance technicians working with critical fastening applications. Each 50g pen provides consistent, mess-free application without over-application or waste.