Fangrui Product Details High Compatibility 6.35mm Is Suitable For Most Shafts On The Market. The Distance Between The Moving Plate And The Static Plate Is 2.90mm. It Is Suitable For Most Pcb Board Shaft Pin Holes On The Market Reasonable Design Socket Design, No Poor Contact Improved Soldering Process, Improved Soldering Yield Material Upgrade, Extended Life 5000+ Hot-swappable Base For Mechanical Keyboards Applicable To Most Shafts On The Market One-time Solution Just Solder All The Bases On The Pcb Circuit Board, And You Can Plug And Play When Changing Shafts Later Rated Voltage: 12v Max, 2v Dc Min Rated Current: 10ma Max 10ua Dc Min Contact Impedance: 100m Max Insulation Impedance: 100m Min High Voltage Resistance Ac100v (50-60hz) Insertion Force: 3kg Max Lifespan: 5000 Insertions And Extractions Extraction Force: 0.2kg Min (due To Different Batches, The Printed Words On The Product Be Different, Which Does Not Affect Use) Colour:black Material:plastic Package Contents: 110x Hot Swapping Pcb Sockets Only The Above Pack