Non Locking Indexing Plunger Pull Knob 2PCS Push Fit Ball Nose Spring Plunger, Stainless Steel Retractable Indexing Plunger Return Knob Plunger: Retractable index plunger can be adjusted by a handle to control the expansion and contraction of the pin, used for positioning, connecting, fixing, etc., between parts Discover the best Push Fit Ball Nose Spring Plungers in Best Sellers. Find the top 100 most popular items in Tools & Home Improvement Best Sellers Product Size: Thread size: M10x1; Thread length: 17mm, pin diameter: 5mm, light weight, easy to carry, suitable for DIY enthusiasts, craftsmen, and professionals seeking reliable needle motion control Stainless Steel Slotted Ball Nose Spring Plungers Specifications: Name:Spring knob plunger Type:Non-Locking Material: Stainless Steel Color: Black Size : M10, M12, M16 Package Includes: 2 x Spring Knob Plunger Spring Loaded Latch Pin 4pcs Retractable Indexing Plunger Pins | M10 Stainless Steel With L Handle Spring Loaded Latches Easy to Use: When in use, pull out the handle and rotate it 90 degrees before releasing it.