Product Features:

Solid Aluminum Padlock With Black Covered Keyhead
Made of corrosion-resistant materials
3-pin cylinder
Matching colored key head for added convenience
Keyed Alike - same key opens all four locks
7/16 in. Hardened Steel Shackle
5/32 in. Shackle Diameter
Dimension - 5.1 x 2.6 x 0.5 in.
Item Weight - 0.3 lbs.
Description:
 

The Master Lock No. 121Q Covered Solid Body Padlocks feature a 3/4in (19mm) wide black vinyl covered body for scratch and corrosion resistance. The 5/32in (4mm) diameter shackle is 7/16in (11mm) long and made of steel, offering resistance to cutting and sawing.