15-Piece 1/4" & 3/8" Drive Tool Accessory Kit, Includes: (1) 1/4 Dive 3'' Extension, (1) 1/4 Drive 6'' Extension, (1) 1/4 Drive 10'' Extension, (1) 3/8 Drive 3'' Extension, (1) 3/8 Drive 6'' Extension, (1) 3/8 Drive 10'' Extension, (3) 3/8 Spark Plug Sockets (5/8",3/4",13/16"), (1) 1/4 to 3/8 Drive Adaptor, (1) 1/4 Drive Universal Joint, (1) 3/8 to 1/4 Drive Adaptor, (1) 3/8 Drive Universal Joint, (1) 1/4 Drive Drill Adaptor, (1) 3/8 Drive Drill Adaptor.
- Size: 1 1/4 in