.32 S&W Long

The .32 S&W Long, also known as 7.65x23mm, is a straight-walled, centerfire, rimmed handgun cartridge, based on the earlier .32 S&W cartridge. It was introduced in 1896 for Smith & Wesson's first-model Hand Ejector revolver. Colt called it the .32 Colt New Police in revolvers it made chambered for the cartridge. Wikipedia
 
Case length.920 in (23.4 mm)
Parent case.32 S&W
Overall length1.280 in (32.5 mm)
Rim diameter.375 in (9.5 mm)
Base diameter.337 in (8.6 mm)
Produced1896–Present
Rim thickness.055 in (1.4 mm)