Thin Flange Bottom Bracket Socket Designed to create a tight grip on thin flange bottom bracket to avoid slipping while torquing cups into bike frames. This single-sided socket is used for installing and removing 44mm, 12/24-notch bottom bracket cups. The socket has a machined 3/8" drive, which can be used to allow 3/8" drive torque wrenches to be attached and locks onto 1/2 inch UNC press rod for secure and easy installation of thin flanged bottom brackets. Machined 6061 Aluminum Anodized Red

• Creates a secure grip on thin flange bottom brackets to prevent slipping during installation
• Compatible with 44mm, 12/24-notch bottom bracket cups and 3/8" drive torque wrenches
• Made from machined 6061 aluminum and anodized red for durability and visibility