Durock Silent Linear Dolphin - 35 pieces Silent Linear Switch DUROCK Dolphin 62g Gold-plated Spring Classic Blue Purchased a year ago and used for about six months, approximately 3 hours a week, on the left side of a self-made keyboard. 35 pieces. Please understand that these are used items stored at home. They will be shipped in a ziplock bag as shown in the photos. *Please refrain from price negotiations. Durock Silent Linear Dolphin 62g (box of 35) Silent Linear 5-pin Gold-plated Spring MX Mechanical Keyboard Compatible Pre-lubed