Hover over picture for a larger image. ::1:: Tim Holtz Design Ruler Design Ruler is a clear acrylic ruler that features a grid background for perfect placement, a center measuring guide, a straight edge for drawing lines, a metal edge $12.99 Stamping Guide Ruler Stamping Guide. The Crystal clear ColorBox stamping guide makes positioning flat and roller stamps easy! Great for all sizes and thicknesses of stamps. Roll out stamp designs in straight lines and align images for layering and masking. Package contains two interlocking rulers that can be assembled and reassembled into two positions; non-skid rubber feet and complete instructions in a strong vinyl storage sleeve. Size: 12x12in. $14.99 $8.99 We R Supreme Ruler We-R Memory Keepers-Supreme Ruler. The ruler has an easy grip hand and non-slip bottom. The handle doubles as a finger guard. It features a durable metal edge for cutting. The measurements are in inches and centimeters with a center alignment guide. The transparent plastic makes it easy for positioning on a cutting mat. The adjustable placement guides are perfect for cutting in multiples. Contains one 18x3.25 inch ruler. $33.99 ::1:: Hover over picture for a larger image.