Mark: 65 Group Buy Extras. To complete a Mark: 65 build you will need: Case Plate Rear Piece (0 or 5 Degrees) PCB Features:● Machined aluminum and polycarbonate● Gasket mounted plate● Fully assembled SMT hot swap PCB (black)● Split space compatible (2.25U, 1.25U, 2.75U) (optional, 6.25U otherwise)● ISO/ANSI compatible● Split shift● Split backspace● (3) 1U or (2) 1.5U right of spacebar● 5° tilt (optional/extra)● RGB Underglow● QMK Compatible Specifications:● 65% layout with offset arrow cluster and 3 key macro cluster● 326mm x 112mm x 22mm● Mass: approx. 620g (aluminium 0°, no pcb or caps)● Mass: approx 850g (aluminium 0°, with PCB and caps) The Mark: 65 is a no compromise 65% keyboard designed and produced by Boardsource. The keyboard is constructed from 3 separate pieces, each coming together to form a sandwich case with a gasket mounted plate. The fully assembled SMT PCB included in all of The Mark: 65’s kits is hot swap compatible allowing you to easily change out your switches as your tastes change or new switches are released. The PCB is also highly customizable, offering ISO/ANSI layouts with split shift, split space, and split backspace, all while maintaining hot swap compatibility. The back of The Mark: 65’s PCB features individually addressable and programmable RGB LEDs diffused by clear frosted polycarbonate allowing beautiful light to pass through.