BLOSSOM Exterior Door Lock Cylinder C-Level Old-Style Iron Door Wooden Door Security Lock DFP03

High precision Grade C leaf lock core with multi-track blade structure for enhanced anti-technical unlocking performance (resists technical unlocking for over 270 minutes)

Double lock core with alloy steel material and interlocking reinforced solid locking tongue

Anti-drill protection with precision stainless steel anti-drill cover and integrated lock core head formed by special forging technology

Anti-theft design includes protection against electric drill, tin foil unlocking, mutual unlocking, and violent prying

Multi-track brass keys with serpentine grooves and double-sided milling to increase difficulty of technical unlocking and prevent lock picking, bumping, and other technical attacks

Copper lock core and keys prevent rust and corrosion, ensuring durability

Fixed copper screws adjustable to door thickness for secure installation

High wear resistance due to solid copper construction

Transmission piece and screws need to be cut according to actual door thickness during installation

Transmission piece typically protrudes 12-15mm from door surface

BLOSSOM DFP03 is a premium Grade C anti-theft lock core made of solid copper and stainless steel components, designed for high security and durability. It features advanced anti-technical unlocking mechanisms, multi-track brass keys, and robust anti-drill protection, suitable for wooden and aluminum alloy doors with thickness between 30mm and 65mm.