1639 Ilco Larson Bauer Key Blank – LD1 / AG-K5

The Ilco 1639 key blank (LD1 / AG-K5) is manufactured to strict tolerances to ensure consistent cutting accuracy and smooth key operation. Constructed from durable brass, this blank provides dependable performance in compatible Larson and Bauer keyways.

Ideal for locksmiths, property managers, and maintenance professionals, the 1639 blank supports reliable duplication for replacement keys, spare keys, and routine lock service work.

Key Features:

• Compatible with Larson / Bauer LD1 and AG-K5 keyways

• Precision-milled for accurate duplication

• Durable brass construction

• Suitable for residential and commercial use

• Designed for professional locksmith applications

Applications:

• Residential rekeying

• Commercial key duplication

• Property management key control

• Multi-unit housing systems