Key benefits - Improves alignment accuracy and repeatable positioning with retractable indexing plungers that lock firmly in place. - Durable carbon steel with a galvanized surface provides high hardness, high strength, and long service life with rust and corrosion resistance. - Simple, tool-free operation: install the nut in the fixed (reserved) position, then rotate the L-shaped handle to lock; to re-lock, disconnect and re-lock easily. What you get - 4 pieces of retractable indexing plunger pins with nuts - Overall size: 65 x 30 mm (L x W) - Pin size: 14 x 6 mm - Thread diameter: M10 - Thread pitch: 1.5 mm Material and finish - Material: carbon steel with galvanized coating - Characteristics: high hardness and high strength, wear resistant, and corrosion resistant for extended service life L-shaped handle and locking feature - L-shaped handle with a fixed-position telescopic latch - Designed to resist loosening after locking for improved equipment security Easy to use - Fix in the reserved position with the provided nut, then manually turn the L-shaped handle to lock - To re-lock, disconnect and re-lock as needed Applications - Positioning fixtures on machines or workbenches - Jig alignment and repeatable clamping on dies or fixtures - Securing guards, panels, or stops in equipment