【Heavy Duty Zinc Alloy Build】The lock body is one piece die cast from high strength zinc alloy with nano electrophoresis surface treatment , reaching IP67 waterproof and dustproof rating . The 304 stainless steel shackle offers up to 2 tons of shear resistance , working reliably from -40℃ to 80℃ / -40℉ to 176℉ 【Keyless Non Pry No Hole Design】Keyless Hole Magnetic Padlock removes traditional keyholes completely , blocking access for technical picking and forced prying . The fully enclosed housing is dustproof and waterproof , deleting stuck issues caused by dust buildup . Ideal for dusty , humid outdoor environments 【Multi Scene Universal Use】Magnetic Padlock supports hanging and fixed installation with customizable shackle lengths . Ideal for gates , warehouses , toolboxes , bicycles and more , delivering reliable safety protection for various applications 【One Hand Easy Use】No key alignment or twisting needed . Simply attach the magnetic key to unlock instantly . Push the shackle down to lock automatically . All operations can be finished with one hand , even when carrying items 【Encoded Magnetic Access Key】Equipped with uniquely coded magnetic keys that unlock in just 0.2 seconds with an ultra low false open rate below 0 .01% . Comes with two keys for backup or sharing . The magnetic keys are waterproof and drop resistant , maintaining stable unlocking even in extreme conditions, Manufacturer: PATNFR