The Master Lock 646D Set Your Own Combination Padlock features a 13/16"(20mm) wide metal body for durability. The 1/8" (3mm) diameter shackle is 11/16" (17mm) long and made of steel, offering resistance to cutting and sawing. The 3 dial combination security for keyless convenience. Easy to set & reset numeric combination.
Specifications:

Type	Lock
Model or Style	Combination
Color	Black
Size	21mm W
Material	Steel
Heating Area
Mount	Shackle
Battery	N/A
Dimensions
Model Fit	N/A
Run Time
Volt	N/A
Function	Lock
Gun Type	N/A
BTU