Reinforced with Blade Armor coating on the first 6 for maximum durability and reduced blade breakage Blade is coated with Mylar polyester film for added durability Chrome plated case Over 7 of stand out 16 and 19.2 stud center markings on blade for framing purposes Forward blade lock makes it easier to lock and unlock the blade Wear-plate protects case from being cut by blade Belt clip on back of case 1 blade is graduated in 1/16 increments 30 length