This is a Pinion Set Screw & Wrench Set from Team Associated.

FEATURES: Durable steel construction.

INCLUDES: (6) Set Screws (1) Allen Wrench

SPECS: Thread Size: 4-40 Length: 1/8" ir/kh  

BOX DIMENSIONS: 1.75" W. X .13" H. X 3.25" L. BOX WEIGHT: .01 LBS.