feature new and high quality 2 sizes: length 60 mm EASY TO USE: Suitable for left or right hinged doors, secured with springs for easy opening and closing of the cage. Pull ring design to prevent pets from escaping. HIGH QUALITY: These metal finger snap shackles are highly elastic, and the whole surface is galvanized, which is more durable. Package Included: 10 x Spring Cage Door Lock Door Hooks. Wide range of applications: suitable for all kinds of rabbit cages, chicken cages, duck cages, pigeon cages, quail cages, parrot cages, rat cages and other pet biological cages. Specification: material: metal Color: as picture shown size: -about. Length 6 cm notes: 1. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before bidding. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks Package includes: 10 pcs snap hooks