With over 54 years of experience, Alvin is one of the primary sources for drafting supplies and drawing equipment in the country, Together with this core group of products, we continue to meet the needs our customers with our expanding range of fine art, hobby and craft supplies, our large selection of drawing room furniture, and our wide assortment of exclusively-designed products, Rotatrim 12 M Series Trimmer, Engineered for performance and long-lasting service, ideal for art studios, drafting rooms, darkrooms and workshops, Self-sharpening tungsten steel cutting wheel, Cast metal head and end supports, Twin 3/4"" diameter chromed steel guide bars, Grey Melamine baseboard, 7/8"" thick x 12"" wide, Printed grid, inch and metric, with 1/4"" grid lines, Transparent clamp strip holds material firmly, Aluminum side rule calibrated in inch and metric with adjustable cursor for repeat cuts SKU: ALV6691