parking lot a rotatable guide arm 21 is located thereon the frame assembly 20 such that the apparatus 10 can trace a previous chalk line 95 or line strip 100 producing a consistent and equally spaced marking offset once an entire area has been marked therewith said apparatus 10 the user 90 follows back over the chalk line 95 with a conventional parking lot painting machine in such a manner the work that was typically performed by multiple people can now be done by a single user 90 referring now to fig1 a front environmental view of the apparatus 10 according to the preferred embodiment of the present invention is disclosed the apparatus 10 comprises a frame assembly 20 a pair of marking assemblies 30 see fig3 and a handle assembly 40 see fig2 the frame assembly 20 generally comprises a frame body 22 a pair of rear wheels 24 a pair of first marking wheels 25 a pair of second marking wheels 27 a pair of clamping assembles 60 and a scale 70 the frame body provides the apparatus 10 therewith a movable main attachment means for integral components said frame body 22 comprises a rectangular body approximately two 2 to four 4 feet in length which is supported by rear wheels 24 and first marking wheels 25 or second marking wheels 27 and fabricated from materials such as but not limited.