Manufacturer suggested retail price. $66.14 Features and Benefits: Designed to extend the life of fasteners. All Sunex tools impact sockets feature a radius corner design causing the socket to grab the sturdy wall or flat, of the fastener instead of grabbing the corners, resulting in less corner wear on the fastener. Impact socket 1" #5 spline drive metric 33mm deep Manufacturer: Sunex Lifetime warranty does not cover abuse