This is a great set for beginners ruler work kit for domestic or longarm machines. Included in the kit: ProMini: small straight ruler. Procircle 5: 5in finished circle ruler. ProEcho 10: Arc ruler. ProLine 2: Perfectly spaced lines 1/2in apart. ProPebbles .5 - 1.5: and 1 1/2in small circles. All rulers are 1/4in thick. Made from cast acrylic to reduce glare. All markings are etched on so they won't rub off. Fat Quarter Ohio Star Panel. Instruction booklet on introductory ruler work, and step by step instructions to complete the panel.