Technical data Laser transmitter   Sheave diameters Ø 60 mm and upwards Sheave width Not dependent on sheave width Beam angle 60° Measurement distance 10 m Type of battery 1 x R6 (AA) 1,5 V Operating time battery 8 hours continuously Laser class 2 Laser output power <1 mW Laser wavelength 635–670 nm Material ABS plastic/Hard anodised aluminium Dimensions WxHxD: 145x86x30 mm Weight 270 g     Targets 2 x with magnetic mounting Finesse   Thanks to the low weight, the tool can be mounted on non-magnetic pulleys with strong double-sided tape. Calibration     The laser line that the tool generates is calibrated parallel to the reference surface. Accuracy:Offset < 0.2 mm, Parallelism < 0.05°   Shaft alignment Sheave/pulley alignment D90 D130 D150 D160 Geometric measurement Shims Custom systems