SKF Belt Alignment Tool - Laser Class 2, ±0.5 mm/m Accuracy, 70 x 74 x 61mm
5 mm/m Accuracy, 70 x 74 x 61mm, Laser Wave Length: 632nm, Measurement Range: 6m, Output Power: 1mW, Power Source: Battery Operated, Weight: 1.SKF Belt Alignment Tool - Laser Class 2, ±0.3kg, MPN: TKBA 40.