Lot of 100 Rockbit 1 1/2" S-2 Tool Steel G200 Bearing Balls100 1 1 2" Balls S 2 Tool Steel Lot of Hun 1 1 2" S 2 Tool Steel G200 Bearing Balls 100 Loose S 2 Tool Steel grade G200 Bearing Balls 1 1 2" = 1. 5" inch Lot of 100 Loose S 2 Tool Steel 1 1 2" inch balls. Quality is G200 grade S 2 Ball Bearings Item: Loose Balls Size: 1 1 2"= 1. 5" inch = 38. 1mm Material: Tool Steel Quality: G200 Tool Steel Classification: S 2 Hardness: 60 Rockwell Quantity: 100 Balls