Knob Lock

MK17-BD-03 Arrow Lock MK Series Cylindrical Locksets Single Cylinder for Classroom with BD Knob in Bright Brass

The Arrow MK17 is a Grade 2 classroom function cylindrical knob — outside knob locked and unlocked by key. Inside knob always free for egress. The MK series delivers commercial-grade quality at a price point that makes sense for apartment buildings and...

MK17-TA-05A Arrow Lock MK Series Cylindrical Locksets Single Cylinder for Classroom with TA Knob in Antique Brass

The Arrow MK17 is a Grade 2 classroom function cylindrical knob — outside knob locked and unlocked by key. Inside knob always free for egress. The MK series delivers commercial-grade quality at a price point that makes sense for apartment buildings and...

MK31-BD-05A Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Communicating with BD Knob in Antique Brass

The Arrow MK31 is a Grade 2 communicating function cylindrical knob — both knobs can be locked independently. Used between rooms that need optional separation. The MK series delivers commercial-grade quality at a price point that makes sense for...

MK31-TA-10B Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Communicating with TA Knob in Oil Rubbed Bronze

The Arrow MK31 is a Grade 2 communicating function cylindrical knob — both knobs can be locked independently. Used between rooms that need optional separation. The MK series delivers commercial-grade quality at a price point that makes sense for...

MK32-TA-05A Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Public Entrance with TA Knob in Antique Brass

The Arrow MK32 is a Grade 2 public bathroom function cylindrical knob — inside thumbturn with occupancy indicator. Shows occupied/vacant on outside. The MK series delivers commercial-grade quality at a price point that makes sense for apartment buildings...

MK32-TA-10 Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Public Entrance with TA Knob in Satin Bronze

The Arrow MK32 is a Grade 2 public bathroom function cylindrical knob — inside thumbturn with occupancy indicator. Shows occupied/vacant on outside. The MK series delivers commercial-grade quality at a price point that makes sense for apartment buildings...

MK33-BD-05A Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Asylum with BD Knob in Antique Brass

The Arrow MK33 is a Grade 2 asylum function cylindrical knob — both sides always rigid — requires key from either side. For institutional security applications. The MK series delivers commercial-grade quality at a price point that makes sense for...

MK33-TA-05A Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Asylum with TA Knob in Antique Brass

The Arrow MK33 is a Grade 2 asylum function cylindrical knob — both sides always rigid — requires key from either side. For institutional security applications. The MK series delivers commercial-grade quality at a price point that makes sense for...

MK34-TA-03 Arrow Lock MK Series Cylindrical Locksets Double Cylinder for Exterior with TA Knob in Bright Brass

The Arrow MK34 is a Grade 2 exterior function cylindrical knob — keyed outside, thumbturn inside. For exterior doors needing key-controlled access. The MK series delivers commercial-grade quality at a price point that makes sense for apartment buildings...

28-6G04-OB-03 Sargent 6 Line Series Knob Storeroom/Closet Locks with B Knob Design and O Rose in Bright Brass

The Sargent 28-6G04-OB-03 is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6G04-OB-0328Series/model...

28-6G04-OB-26D Sargent 6 Line Series Knob Storeroom/Closet Locks with B Knob Design and O Rose in Satin Chrome

The Sargent 28-6G04-OB-26D is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6G04-OB-26D28Series/model...

28-6G05-OB-03 Sargent 6 Line Series Knob Entrance/Office Locks with B Knob Design and O Rose in Bright Brass

The Sargent 28-6G05-OB-03 is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6G05-OB-0328Series/model...

28-6G37-OB-03 Sargent 6 Line Series Knob Classroom Locks with B Knob Design and O Rose in Bright Brass

The Sargent 28-6G37-OB-03 is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6G37-OB-0328Series/model...

28-6G37-OB-26D Sargent 6 Line Series Knob Classroom Locks with B Knob Design and O Rose in Satin Chrome

The Sargent 28-6G37-OB-26D is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6G37-OB-26D28Series/model...

28-6U15-OB-03 Sargent 6 Line Series Knob Passage Locks with B Knob Design and O Rose in Bright Brass

The Sargent 28-6U15-OB-03 is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6U15-OB-0328Series/model...

28-6U65-OB-03 Sargent 6 Line Series Knob Privacy Locks with B Knob Design and O Rose in Bright Brass

The Sargent 28-6U65-OB-03 is a replacement part/accessory for Sargent commercial door hardware. Genuine Sargent OEM component designed for exact fit and function with existing Sargent installations. SKU Breakdown: 28-6U65-OB-0328Series/model...