- Color: Silver- Material: Zinc alloy- Installation diameter: 2.1cm- Locked or unlocked by triangle spanner key- Packing list:- 1 x Lock- 1 x Key Dimensions: 2.68 in x 1.18 in x 1.14 in (6.8 cm x 3.0 cm x 2.9 cm)Weight: 3.17 oz (90 g)