Made of industrial grade chrome molybdenum (chrome-moly) steel alloy
• Each impact socket comes with protective sleeve
• To effectively use 19mm Socket you must use included 3" Extension Bar. Set includes 1/2" Drive Flip Thin Wall Sockets
• Socket size:
-17mm x 19mm
-3/4" x 13/16"
- 7/8" x 21mm
• 3" Extension Bar
• 1/2" Drive