The Artway Parallel Motion Ruler is a cost effective and practical alternative to a conventional drawing board – it can be assembled with ease on any flat surface such as a kitchen table or desk and disassembled just as easily. The two-pulley parallel ruler is quick and easy to assemble (Comes with all fixings for set-up inc. the cord assembly for clamps and pulleys) as well as being easy to dismantle and pack away after use – it comes with a cloth slip case for protection while being stored or transported. 60cm length and constructed with heavy and durable acrylic – in a transparent finish for maximum visibility. Features engraved metric rule ‘cm’ markings along the top edge (54cm) and a comfortable centre grip to smoothly guide the drafting parallel bar up and down your chosen surface.Comes with a protective cloth slip for storage and transportation. Clear acrylic for excellent visibility of drawings at all times. Easy to assemble and disassemble. Easily attach to any flat surface to create a functioning drafting or drawing board. Artway 60 cm length universal parallel motion ruler with engraved metric scale of 54cm.Date First Available: February 8, 2021. Manufacturer: Artway. Item Weight: 13 ounces. Best Sellers Rank: #1,425,523 in Arts, Crafts & Sewing. Customer Reviews: 5.0 5.0 out of 5 stars 1 rating 5.0 out of 5 stars. : B08W3F8J4L. Item model number: 2303277. Package Dimensions: 26.77 x 3.94 x 0.39 inches.