Home / Workplace Safety / Access Control / Entry/Exit Product Description This hard plastic key is vital for the correct operation of break glass units. The key is used to test the device, making sure that it is functioning correctly. It is also used to disengage the alarm that is set by the break glass unit which has been activated. Resettable break glass units are used as a time efficient solution in an emergency. It works by simply pressing against the unit with your thumb and applying the relevant pressure. Please Note: When the unit has been pressed, you will see a yellow bar displayed above the insert. To reset, simply put the key prongs into the bottom of the unit, then remove the key and it will re-engage. Features: Hard plastic key Resettable break glass units Technical Specifications: Material: ABS plastic Colour: Black Specifications MPN 114405K Brand Gianni (GEM) Product Code 114405K Customer reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Delivery & Returns Free UK Delivery over £250Returns Policy: The company operates a 14 day returns policy, products returned in an unopened / undamaged condition will be refunded. Customer Reviews Gianni (GEM) 114405K | Plastic Key for Resettable Break Glass Units Product Code 114405K Hard plastic key £1.23 £1.48 (inc. VAT) Login to add this product to your wishlist.