Features 1、This mount is made of high quality aluminum alloy material, which is durable and sturdy, you can use it for a long time. 2、The motor mounts are used to fix the for REV Robotics core hex motor to the for goBILDA robot and other construction systems. 3、The countersunk hole can avoid the interference of the protrusion of the screw head and ensure the flatness of the installation plane. 4、When two mounts are used to fix the core hex electric, the combination will be able to slide perfectly in the 3120 series U shaped beam. 5、There are 4 M 4 threaded holes on the 32mm hole pattern, which are used to fix the assembly to the robot construction system. Specification Item Type: Gear Motor Mounts Material: Aluminum Alloy Model: 3701-0032-0001 Screw Hole: M 4 Usage: Fix the for REV Robotics Core Hex Motor to the Construction System Such as for goBILDA Robot Package List 5 x Gear Motor Mounts 30 x Screws