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. Features Ball end design provides greater access, increasing entry angle to 25 degrees Chamfered edges on short end help guide the key into the fastener smoothly and quickly Magnetic end offers efficiency by keeping key attached to fastener in tight work areas Short or long side can be used, providing better access and speed in all situations Keys made with alloy steel for maximum strength and to resist rotational distortion Sizes clearly marked on caddy for easy identification Meets or exceeds ASME standards. Includes caddy for storage and organization Specifications Weight (Catalog) - 1.646 lb Warranty - Full Lifetime Overall Length - 7 in Size - 0.05 in 1/16 in 5/64 in 3/32 in 7/64 in 1/8 in 9/64 in 5/32 in 3/16 in 7/32 in 1/4 in 5/16 in 3/8 in 1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm 9mm 10mm Included Storage - Plastic Caddy Set Size Range Max - 3/8 in10mm Magnetic - Yes Set Size Range Min - 0.05 in1.5mm UPC - 099575835261 Prop 65 - WARNING: This product contains or produces a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Material - Alloy Steel Set Piece Count - 22 Length Format - Long Arm ASME Specification - Meets or Exceeds Hex Key Style - L-Shaped Packaging - Carded Ball End - Yes Number of Keys - 22 Type - Hex Key SAE/Metric/Torx - SAE/Metric