Check the listing for details. ModRight Mainboard Anti-Static Mod-Mat Work and Assembly Surface (23x23"). Condition: New. Listed at 53.00 USD. ModRight Mainboard Anti-Static Mod-Mat Work and Assembly Surface (Over 23" x 23" in Size) The ModRight Mainboard Anti-Static Mod-Mat Work and Assembly Surface is the next in line of the ever popular Mod-Mat Series. These are a system builders dream! The motherboard form factor table allows easy identification of what form factor you are working with. The actual measurements for each form factor are available based on industry standard. A second quick reference guide is available for back panel connector identification as well. Grounding Wire Clip IncludedAnti-Static Wrist Strap IncludedSurface Safe For ALL COMPONENTS Including PCB Boards, RAM, VGA Cards, and Expansion Cards.Non Scratch Surface Keeps High Finish Parts and Side Panels From Blemish (aka liquid cooling radiators, custom mod parts, and Window Panels)Easy Transport Carrying Box w/ HandleMotherboard Reference GuideInch and Millimeter Rulers For Handy MeasurementsSnaps for Anti-static Strap and GroundCommon Back Panel Connector ChartROHS CompliantSize: Over 23.5" x 23"590mm x 582mmReference Guides: Back Panel Connector ChartMainboard Form Factor Table