085490 by Markal | 109 Peterson Holder | Case of 12Overview: This sturdy wooden holder makes grade marking and other lumber timber marking easy and helps prevent crayon breakage. Applications: Lumber and timber industry Construction Lumber grading systems Shipping supply Surface Uses: Dry wood Wood containing pitch or sap Green wood Boxes and crate Features: Adjustable locking ring keeps markers in place during use Comfortable leather wrist strap fits over gloves and reduces dropping Designed for use