Tracer AMP2 Double Tipped Deep Hole Marker With Site Holster The Tracer AMP2 Double Tipped Deep Hole Marker With Site Holster is ideal for plumbers and electricians. The double tip makes it easy and convenient to mark both thin and thicker lines with a single pen. The unique design features a double tipped nib that can be reversed to draw both thick and thin lines. This is especially useful when marking plans, and materials such as plastics and pipes. FEATURES Shirt / trouser clip Mark 50mm depth in a 5mm hole Long, sturdy metal shaft Ideal for marking ceramics, wood, plastic and metal Reversible double tip for marking thick and thin lines Always to hand with site holster for your pocket Ergonomic, comfortable finger grip