23949 - Key Locking Closed Shackle Application Green stripes indicate Security Grade 3 to BS EN 12320. Specification Padlock body of extruded brass, black chrome plated.Shackle of rustproofed hardened steel, 8mm diameter.Drainage holes in the padlock body prevent freezing. No external screws or rivets.Tensile strength over 1½ tons.Key/snap locking, close shackle Finish Black chrome plated Standards Meets Security grade 3 (BS EN 12320) Downloads 23949 - Key Locking Closed Shackle (.pdf, 52 kB) Close 23943 - Key Locking Extended ShackleGreen stripes indicate Security Grade 3 to BS EN 12320. 23941 - Key LockingGreen stripes indicate Security Grade 3 to BS EN 12320. 23946 - Key Locking 10mm Dia. ShackleGreen stripes indicate Security Grade 3 to BS EN 12320.