- DUROCK T1 Tactile Switch is designed with special tactile stem, gives a strong bump at the very top of the push. 2. T1 Tactile Keyboard Switch is with Selected Polymer Nylon Lower housing and POM Stem. 3. Added 67gf Gold Plated Spring and Metal leaf, these key switches feature a Unique tactile feel. 4. Mechanical Keyboard Switch Style - Tactile 4mm Travel 2mm Operating 67g Bottom Out 5 Pins 50 million operations Click life. 5. T1 Tactile Switches with Gold-plated cross-point; Available LED styles - SMD and through-hole.