Used item size 40 cm (15.75 in) Material 750YG (Yellow Gold) weight 4.0 g size Ko10.1 mm (0.40 in) Ta 8.4 mm (0.33 in) Accessories therefore does not interfere with the above described kinematic coupling of the first member/mounting plate 102 and the second member 104 when in the locked configuration, nor interfere with the kinematic coupling of the first member/mounting plate 102 and the prop 130 when in the unlocked