Break Resistant Reflector with collar protection cover for optic and certificate, in wooden box.
Radius: 19.05 mm ± 0.0025 mm (0.7500 in ± 0.00010 in)
Centering of optics: ± 0.010 mm (± 0.0004 in)
Shape ball: ± 0.0015 mm (± 0.00006 in)
Acceptance angl : ± 30°, no limitation due to collar
Material ball: Stainless steel surface-hardened, magnetic
Weight: 195 g (6.88 oz)