Lee 357 MAG Case Length Gauge is a precise, easy way to trim to length and square the case mouth. Used with the Cutter and Lock Stud or Zip Trim. Trim to length 1.270 to 1.290 inches.
Specifications:

Type	Case Length Gauge w/Shell Holder
Caliber	357 Remington Magnum
Size	.357
Quantity	2 Piece
Weight	.07 lb
Function	Measure Cases
Compatible With	Cutter/Lock Stud
Material	Steel
Includes	Gauge/Holder
Capacity	1 Casing
Media Capacity	1 Shell
Finish	Silver
Grain
Media Type	Brass Shell
Micrometer Type