Boards are made of 1" thick high density polyethylene (HDPE) with excellent chemical resistance, easy-to-clean, solid work surface. Grace Surgery Board (GSS1) Non-skid feet for added stability. 12" (L) x 8" (W), Includes 1x Magnetic Stainless Steel Warming Plate (7" x 4"), 1 Space Gel Heating Pad, & Suction cup limb restraints.. Does not include Magnetic Base System. Grace Surgery Board with LED and Magnifier (GSS2) Two Flexible LED lights - provides direct illumination with no shadows and no heat. Flex arm, non-obstructive rimless magnifying glass (main lens: 2.3X, inset lens: 4.0X). (Allows continuous eye contact with object when moving into magnifica-tion area). Non-skid feet for added stability. Universal input power supply (100 – 240 VAC, 50-60 Hz). Size: 12" (L) x 9.5" (W), Includes 1x Magnetic Stainless Steel Warming Plate (7" x 4"), 1 Space Gel Heating Pad, Suction cup limb restraints. Does not include Magnetic Base System.