Brand Name: GTB Origin: CN Tool Supplies: Cutting Material: Aluminum 7075 Hard-Anodized 7075 4mm & 3/32" Aluminum Nut for 1/10 SET-UP System ToolThe A-Plus Set up system nuts with 4mm and 3/32" threads for 1/10 RC Cars,they are made of 7075 Aluminum and CNC-Machined. Package:4pcs/set