Features: OOTDTY Quality: This device is made of zinc alloy, high strength, anti-deforms, corrosion-resistant, durable for long time use. Fast Respond Ability: Fine craftsmanship give the device sturdy structure and fast respond ability. Powerful Ejection: Strong force can shot the cartridge farther than other devices, improve accuracy. Easy to Use: Easy to install and when you pull the triggers, the steel column will automatically open, easy to use. About Service: If you are not satisfied with our product or have any questions, please to contact our. Specifications: Material: Zinc Alloy Color: As The Picture Shows Package Weight: approx.150.00g Length: approx.7.6cm/2.99in (More Size Detail, Please See Photo.) Package Includes: 1Pc Slingshots Release Device Note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!