Home / Garage Door Locks & Handles / Henderson Locks & Handles Click to Enlarge     Henderson RLB Internal Handle £20.20 each Henderson RLB internal handle used on Henderson retractable garage doors. Henderson internal handle with release button to unlock the bars securing older Henderson garage doors. Customers who bought this also bought: Garage Door Defender Green More Details Garage Door Lubricant More Details Privacy Policy	Kingsley Garage Doors 11 Langthorne Ave Stevenage, Herts. SG1 3ND UK (Administration only) Tel. 0800 279 0725