The GearWrench 9 piece metric ball end hex key set includes hex keys made from alloy steel to deliver maximum strength and resist rotational distortion. Chamfered edges help slide the hex keys easily into fasteners, and a clearly labeled caddy offers convenient storage. Ball End design provides greater access, increasing entry angle to 25 degree.

Keys made with alloy steel for maximum strength and to resist rotational distortion
Chamfered edges on both ends help guide the key into the fastener smoothly and quickly
Ball end design provides greater access, increasing entry angle to 25 degrees