Master Lock M115XKADLF Laminated Padlock - 5/16 In Dia 13/16 In W, Steel, Black

"Tough-Cut" Octagonal Boron-Carbide Shackle. "Rust-Oleum" Protection; No Rust. Dual Ball Bearing Locking For Maximum Pry Resistance. "Dual-Armor" Construction: Laminated Steel Core With Weather-Resistant Cover That Protects Against Snow, Rain, Dirt, Mud, Grime, And Salt. Covered Keyway And Shackle Seal. 1-9/16" Wide Case, 5/16" Diameter Shackle, And 13/16" Horizontal Shackle Clearance.