About the Nine-grid Mechanical Slider (Direct Push) Nine-grid is a highly tunable direct push slider that lets you pick bead groove density and stroke style on the fly. Key Features 12-mode click systemOne platform delivers paragraph, dense, or ultra dense clicks plus four stroke styles for a total of 12 play modes. 9 spring holes layoutThe core grid uses nine spring holes so you can relocate springs and limit pins to change feel in minutes. Single bead or double beadSwitch between single bead tracks for half stroke or single side long stroke, or double bead tracks for asymmetric stroke or ultra short stroke. Tool friendly tuningRemove the external limit screws to open the plate and swap setups. Fast adjustments encourage real experimentation. Simple, durable stackBody uses only two main shells, one PEEK guide rail, and same-spec screws for easy service and tight tolerances. The 12 Play Modes Strokes Half stroke Single side long stroke Asymmetric stroke Ultra short stroke GroovesA. Paragraph grooveB. Dense grooveC. Ultra dense groove Combine4 stroke styles × 3 groove densities = 12 distinct modesSee the instruction for exact hole and pin placements. Track Options Paragraph track with 9 beads Dense track with 15 beads Ultra dense track with 29 beads Materials PEEK guide rail for low friction and wear resistance Disassembly and Adjustment External limit screws out Lift plate Move springs and limit pins per the chart Reassemble and test