Description FIX 510 gearbox with hook bolt. This is a genuine FIX branded product made in Sweden (now owned by ASSA). Please note that this gearbox looks very similar to the 410 version. Take care when ordering, as the deadbolt is wider on the 510 and cannot be interchanged. Available in various backset sizes (see Customers also bought below). Features Wide hook bolt version (410 gearbox narrow deadbolt version also available) 105mm PZ centre 50mm backset Non-handed: suitable for right or left-handed operation Genuine FIX branded product Made in Sweden Share on Twitter Share on Facebook Pin this product Share via email
