How much does this cost to the nearest dollar?

SunSmart Pro DSLR 15mm Rod Support System Follow Focus with Gear Ring Belt for DSLR Cameras
No matter what your camera, this Follow Focus lends your video production the smooth, precise focus control of a big-budget film. Whether shooting with a fixed-lens camcorder, interchangeable cinema lenses, or a video-capable DSLR, the precision-machined Follow Focus system provides repeatable, accurate focusing. Specification Fit Rail Distance 60 mm Gears Nylon and ABS Dial Index Adjustment 360 degrees Gear Weight 30 gms Follow Focus Weight 340 gms Suitable the diameter of the lens from 52mm to 86 mm Package Include 1X Focus Follow Finder F1 1X Matching Gear Belt 1X Metal Bracket Buy in confidence One year warranty 7 days

Price is $42.00

Price: $42