Lock Bolt Assembly, For 4" Square Heads, Starrett, Mfr#: PT99021

Lock Bolt Assembly, Compatible with Manufacturer Model Number 11H-4-4R, 11HC-4-4R, 33H-4-4R, 33HC-4-4R, C11H-4-4R, C11HC-4-4R, C33H-4-4R, C33HC-4-4R, Compatible with Grainger Part Number 26Y953, 26Y962, 26Y980, 26Y989, 26Z018, 26Z036, 26Z044, 2ZUP7, Head Type Square, Finish Smooth, Material Steel, Compatible Blade Length 4 in, Compatible Square Type Combination Squares, Product Type Lock Bolt Assembly, Color Black, Compatible Blade Width 5/8 in, Overall Length 4 in, Overall Width 1 in