74950-B Features: -Smooth finish accepts dry erase, wet erase, chalk markers and more and includes black surface marker. -Wide base design for stability includes dual-wheel locking casters.. -Accepts rare earth magnets. -Steel frame for superior durability. Number of Items Included: -1. Color: -Black. Application: -Commercial. Frame: -Metal. Casters: -Yes. Magnetic: -Yes. Size: -3" x 4". Style: -Free Standing. Product Type: -Glass board. Surface Material: -Glass. Dimensions: Overall Product Weight: -144 Pounds. Overall Height - Top to Bottom: -72.25 Inches. Overall Length - Side to Side: -36 Inches. Overall Thickness: -27 Inches.