Collection: Spring-Loaded Knobs

Chrome Plated Square 8mm Polyamide HVAC Lock

PA6 30 Insert Slot 2x4 Polyamide HVAC Lock

9mm Triangular Insert Polyamide Chrome Plated HVAC Lock

8mm Female Hexagon Die Cast Zinc Black Powder Coated HVAC Lock

Triangular 8mm HVAC Lock Insert, Chrome Plated

8mm Triangular Die Cast Zinc HVAC Lock with Black Powder Coating

9mm Triangular Insert Die Cast Zinc HVAC Lock, Black Powder Coated

3mm Double Bit Insert HVAC Lock - All Electronics Hardware, Chrome Plated

Eastern Europe 13mm Polyamide HVAC Lock, Chrome Plated

Chrome Plated Polyamide Flat Insert HVAC Lock

Chrome Plated Railway Insert HVAC Lock

Triangular 8mm Die Cast Zinc Chrome Plated HVAC Lock

HVAC Coin Proof Insert Lock - Die Cast Zinc with Black Powder Coating

HVAC Lock - Coin Proof Insert Polyamide Chrome Plated Slot (2 x 4)

Square Slot 8mm PA6 30 Chrome Plated HVAC Lock

Chrome Plated Polyamide HVAC Lock with 5 x 10 Slot Insert