Range - With a shot depth of up to 2 inches, Tuff Shot is perfect for marking spots deep hole marker pens, extended tip marker, and pencils can’t access, which makes this an ideal tool for drilling. Removable Green Marking - Featuring high-vis green pigment, Tuff Shot chalk shot hole marker marks surfaces clearly yet can be easily wiped off, ensuring cleanliness in the work area. Versatile - Drilling holes on drywall, brick, concrete, metal, wood, and a lot more, we got you! Ox Tools Tuff Shot green chalk shots mark effortlessly on clean, dirty, rusty, or greasy surfaces. Long-Lasting Use - Each Ox Tools Tuff Shot cartridge delivers 250 bursts, ensuring extended use and reliability for all your construction marker needs before drilling holes on different surfaces. Professional Grade - The Ox Tools Tuff Shot long reach marker chalk shot is perfect for marking deep holes and is suitable for all trades, including carpenters, masons, and electricians.