Stem: POM with extension spring<br> Housing: PC<br> Bottom: PC<br> Type: Linear<br> End Force: 55gf ± 5gf<br> Total Travel: 3.30 mm<br> Pre-Travel: 2.0 ± 0.5mm<br> Tactile Position:N/A<br> Tactile Force:N/A<br> Compatible with most mechanical keyboards with 5-pins hot-swappable socket<br> Fitted with hot-swap socket types including for Outemu, Kailh and Gateron<br> Good replacement switches for Cherry, Kailh, Gateron, KTT and TTC switches<br> Highlights<br> Approximate lifespan of 60 million times of keystrokes based on the laboratory durability test<br> Equipped with LED slot ready for LED Mod/Assembly, and are SMD compatible (LED underneath the switch)<br> Come with MX style structure so would fit most keycap sets with (X) cross stem<br> Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use<br> Colour:Black<br> Material:POM+PC<br> Package Contents:<br> 45x Keyboard Switch<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.