Description SAFETY – You can outline the Derrick and Trolley with laser light. This creates a “Safe Zone” under the hoist. INSPECTION – Periodic inspections and routine maintenance are performed faster and more accurate with a laser reference line. ALIGNMENT – You can show the exact lifting point under the block hook with a laser cross hair. This centers the trolley over the load every time. Includes: L355X Extreme Long Distance Alignment Laser AP353A 5” Magnetic Mounting Base AP351 1” Ring Set AP1000 Leveling Adapter Plate DT200 Retro-Reflective and Magnetic Target LDM150 Lasertape™ AP46 Hard Shell Carrying Case DOWNLOAD PDF