The GearWrench 22 piece SAE/metric magnetic ball end hex key set includes hex keys made from alloy steel to deliver maximum strength and resist rotational distortion. A magnetic end keeps the key attached to the fastener in tough conditions, and ball end design provides increased access with an entry angle of 25 degrees.

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
Magnetic end offers efficiency by keeping key attached to fastener in tight work areas