Mean Streak Permenant Marking Stick, White, Bullet Tip, 12 Count no checkout Built with durable thick 15 Built with durable thick 15 oz #10 cotton canvas Reinforced wrapped handle and bottom panel to help with carrying extra weight 24 pockets of various sizes to help organize your tools and accessories 8 large pockets and 16 medium pockets Brass construction provides long service life Non interchangeable oxygen and fuel gas connectors Instant closure on reverse flow check valves Spring loaded locking mechanism responds to fingertip action and achieves a gas tight connection Double seal socket connection on second seal Marking sticks mark on dark surfaces and write on most surfaces Specially formulated to mark on wet and oily surfaces Extra bold tip marks dark surfaces with an opaque line Waterproof formula resists fading and adheres to virtually any surface Easy to use twist up container