This listing is for 45 Craftsman sockets made in USA???? the 3 Metric sets include the original metal holders and the SAE include socket rails. Below is the description and sizes. ? 1/2 Metric 12pt socket set in holder includes. ? 3/8 DEEP metric 6pt set (in holder) includes. 9,10,11,13,14,15,17,19mm all -V. ? 1/2 SAE 12pt set (on rail) includes. ? 3/8 SAE 12pt set (on rail) includes. ? There’s an extra 3/8 6pt 10mm -G- included. All sockets are used and some show signs of light surface rust but all are in good shape and usable condition. Please look at all pictures as they’re part of the description and can provide more upon request.