🛠️ Hold on tight to creativity! Work longer with a secure grip, even on rough surfaces. Clip it anywhere with the built-in carabiner for on-the-go use. Say goodbye to crayon breakage with our durable holder! Easily switch out crayons with a simple twist of the knob. Join the ranks of carpenters and craftsmen who rely on our quality. Heavy-duty metal Ergonomic design Fits 1/2" crayons The Lumber Keel Crayon Holder is a heavy-duty, ergonomic tool designed for 1/2" round or hexagonal crayons. With a quick-change mechanism and built-in carabiner, it offers convenience and durability for professionals in industrial settings.