NOVA 6115 4″ Pro-Tek Jaws

The NOVA 6115 4″ Pro-Tek Jaws round out the PRO-TEK lineup as the largest Hornung-style offering designed for users tackling large forms or expansive surfaces. With a robust dovetail and serrated grip profile, it prioritizes firm holding power and wide-surface contact. It’s the ideal solution for heavy or wide spigot work where maximum stability and control
are non-negotiable.

The 4″ PRO-TEK Jaw combines strength and precision with a true 4-inch (101.6mm) diameter and a bold dovetail profile that grips large projects with confidence. Deep internal serrations provide exceptional hold for spigots, making it perfect for green and dry wood turning. Precision cut slots ensure a secure grip on square stock, adding versatility and control to every project.

Perfect for large and medium sized projects.

• The NOVA PRO-TEK 4in Jaw Set with true dovetail profile, designed for maximum strength and holding in wood turning, without crushing wood fibers
• Precision laser etched jaw numbering allowing ease of jaw alignment, positioning and change out
• Same jaw fixing system across all NOVA Chuck models – total system inter-changeability
• Expansion Grip: Min 4.69 inch (119mm) Max 5.43 inch (138mm)
• Contraction Grip: Min 3.94 inch (100mm) Max 4.72 inch (120mm)
• Contraction Square Grip: Min 2.99 inch (76mm) Max 3.54 inch (90mm)