PBC Linear RR30 0480 Linear Guide Rail, Redi Rail, Size 30, 480 mm Length, 30 mm Width, Aluminum Alloy 2CRF3 Series 511 Marble Tuff(TM) Type Anti Fatigue Series 511 Marble Tuff(TM) Type Anti Fatigue Matting Color Blue White Surface Design Marble Mat Surface Pattern Marble Mat Shape Rectangle Length 3 ft Width 2 ft Thickness 1 2 in Edge Style Beveled Number of Beveled Edges 4 Number of Border Stripes 0 Material Vinyl Surface With Dense Closed PVC Foam Base Surface Material Vinyl Backing Material Closed Cell PVC Foam Surface Texture Smooth Durometer Rating 80 Compression Deflection @ 20 % sq Code T4 Frame Material Cast Iron Motor Bearings Ball Motor Shaft Design Keyed Motor Shaft Rotation CW CCW Ins System of Measurement Metric Number of Mounting Holes 8