Wooden Color Chart Tool: The package includes wooden temperature blanket reusable color charts, providing you with a convenient and organized way to keep track of your color scheme. perfect tool for hand knitting. Wooden Material: The wooden ruler has smooth edges, sturdy and durable, , and simple layout, allowing you to effortlessly explore a of color patterns and experiment with different yarn swatches. Scale: Each board has 10+1 holes and temperature zones, -5-96 scale markings, the back side is blank so you can make some important markings. It is a convenient tool for craft lovers! Convenient: This multifunctional temperature blanket color card can be used as a blanket or other knitting project planner and wool color card organizer, a must-have tool for all your knitting, crochet and wool related projects! Colour:Wood Color Material:wooden Package Contents: 2 * Temperature Blanket Color Chart Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.