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Tandem 563/569 left-hand locking device secures the drawer to Blum BP563/569 series runners, so the drawer stays positively connected to the slide during everyday use and removal. The device works as a left-hand standard front locking device, matching installations that follow Blum Tandem 563 or 569 specifications. One right and one left are required per drawer, so this part fills the left side role in the pair that anchors and releases the drawer. A steel base supports the mechanism, giving the drawer connection a solid foundation under load and movement. Synthetic, spring-loaded release levers in the device let you release the drawer from the runners at the front, helping with service or adjustments without disturbing the cabinet case. The design is described as a self-aligning left device, which helps the drawer meet the runners correctly so the slide action stays consistent across multiple drawers.
This Blum, Inc. locking device is for use with BP563/569 series runners only, which ties it directly to the standard Tandem undermount slide platform many shops already follow. Because one right and one left are required per drawer, this left-hand part is matched on the other side by its right-hand counterpart, keeping the drawer supported from both fronts. The side-to-side adjustment and specified side adjustment of plus 1/16 inch (1.5 mm) concentrate alignment where the drawer meets the runners, giving a practical adjustment point after the box is installed. Height adjustment of plus 1/8 inch (3.0 mm) at the front lets an installer bring drawer fronts into line with doors or adjacent drawers without altering the runners, which can save layout time on larger projects.
This left-hand standard locking device is part of the Blum Tandem 563/569 undermount drawer system, so it belongs in drawer boxes sized and drilled for BP563/569 series runners. One right and one left are required per drawer, meaning every Tandem-equipped drawer uses a matched pair at the front connection points. The minimum inside drawer width of 6-11/16 inches indicates the drawer interior space needed for this hardware, which matters when laying out narrow drawers or pullouts. The steel base supports the locking and adjustment functions at the runner interface, which is useful on deeper or heavier drawers where the front connection carries much of the perceived stability. Because the device is specified as self-adjusting for drawer length tolerance, it accommodates slight differences in how far the drawer box extends, helping multiple drawers feel consistent even if box dimensions vary within typical shop tolerances.
The built-in side-to-side adjustment in this device provides a controlled way to shift the drawer front relative to the cabinet, which helps dial in uniform reveals across a run of cabinets without redrilling runners. The defined side adjustment of plus 1/16 inch (1.5 mm) sets a predictable range for lateral movement, so small case or drawer deviations can be handled at the hardware instead of at the box joinery. Height adjustment of plus 1/8 inch (3.0 mm) at the front locking device gives a specific amount of vertical travel, allowing installers to bring top or bottom edges into line with nearby components. The captive right and self-aligning left device arrangement means the left-hand part helps guide the drawer onto the runners, which can reduce fiddling during insertion and support repeatable setups across multiple units. Synthetic, spring-loaded release levers at the front allow drawer removal by operating the levers, so installers can access slides or interiors and then reattach the drawer while maintaining the previous adjustment settings.
This locking device is for use with BP563/569 series runners only, so it serves projects built around Blum Tandem 563 or 569 undermount drawer slides.
This product is the left-hand standard locking device, and one right and one left are required per drawer for a complete front connection.
The side-to-side and plus 1/16 inch (1.5 mm) side adjustments let you shift the drawer front laterally, which helps set even gaps between fronts and cabinet sides.
The locking device offers height adjustment of plus 1/8 inch (3.0 mm), allowing practical vertical tuning of the drawer front relative to nearby doors or drawers.
The specified minimum inside drawer width is 6-11/16 inches, which guides how narrow a drawer can be while still accommodating this locking device.
The synthetic, spring-loaded release levers at the front let the drawer disengage from the runners, so the drawer can be removed and later reattached at the same hardware points.
This Blum, Inc. Tandem 563/569 left-hand standard locking device with side adjustment is built for BP563/569 series runners, so it aligns with that specific undermount system. One right and one left are required per drawer, and this part supplies the left-hand function. With a steel base, height adjustment of plus 1/8 inch (3.0 mm), side adjustment of plus 1/16 inch (1.5 mm), and synthetic, spring-loaded release levers, it supports precise drawer alignment and straightforward removal on projects using Blum Tandem runners.
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