Collection: Spring-Loaded Knobs

11mm Male Hexagon Insert Die Cast Zinc HVAC Lock

Double Bit 5mm HVAC Lock Insert

6mm Female Square Insert Die Cast Zinc HVAC Lock - Black Powder Coated

Eastern Europe 13mm HVAC Lock, Die Cast Zinc, Black Powder Coated

10mm Female Hexagon Zinc HVAC Lock, Black Powder Coated

7mm Triangular Insert HVAC Lock

8mm Square Insert HVAC Lock by All Electronics Hardware

HVAC Triangular 8mm Insert Polyamide Chrome Plated Lock

9mm Triangular Die Cast Zinc Chrome Plated HVAC Lock

Die Cast Zinc Chrome Plated HVAC Lock - Square 6mm Insert

Industrial HVAC Lock - Polyamide Chrome Plated Slot 2x4 Insert

Torx (T30) Die Cast Zinc HVAC Lock with Black Powder Coated Finish

HVAC Lock - Male Hexagon Polyamide Chrome Plated 11mm Insert

8mm Square Insert Die Cast Zinc Black Powder Coated HVAC Lock

Industrial Slot 2x4 Insert HVAC Lock by All Electronics Hardware

10mm Female Hexagon Insert HVAC Lock with Polyamide Body and Chrome Finish