Specification: Material: 6061 aluminum alloy Type: right angle bumper/T-slot diagonal track Color: Black For: t-slot, t-tracks Size: As the picture showsPackage Included:1 x Right Angle Bumper or 1 t-tracksNote:1. Please allow 1-3cm error due to manual measurement. Make sure you don't mind before you bid.2. The colors may have different depending on the difference displayed, please understand. Payments1. We accept Alipay, West Union, TT. All major credit cards are accepted through a secure payment processor escrow.2. Payment must be made within 3 days of placing the order.3. If you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.