Several sizes and types are available, ranging from a 6" model designed to fit all backsets
, deadbolts and key-in-knob locks; up to a 12" latch guard for out-opening narrow stile doors.
Generally, the more reflexed (backset
) a riser is, the faster the bow will be, and the more deflexed (forward set), the slower it will be.
) between the extension jamb and the doorjamb.
Measure the cylinder hole size and the "backset
" distance, that is, the distance from the center of the hole to the door edge (Photo 1).
1 MEASURE the "backset
," the distance between the door edge and the center of the door knob; the thickness of the door; and the knob hole diameter.
Cap blocks can be positioned with a slight overhang or backset
, or set flush with the wall face.
Before buying a new lockset you need to determine the "backset
," the distance between the edge of the door and the center of the doorknob (Photo 2).
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"They have to have not only a repertoire of skills or plays they can pull out of their hats at a moment's notice, but they need to change it up and send tips over the net and backsets
and assist with free balls when things aren't going as planned.
Adjustable collars and selectable backsets
permit the one-in.