Blum 554H Tandem Edge 15" Soft-Close 7/8 Extension 100 lb Undermount Drawer Slide, Zinc, 01138369

7/8 Extension and Soft-Close in a 15 Inch Concealed Runner

The Blum TANDEM Edge is a 15 inch undermount drawer slide with integrated BLUMOTION soft-close and 7/8 extension — a concealed, roller-bearing runner built for drawer boxes with 1/2 to 5/8 inch sides. It brings soft-close performance and a clean hidden profile to production and budget-conscious cabinetry without the full-extension premium.

Key Features

• 7/8 extension with minimal extension loss — nearly the full 15 inch drawer clears the cabinet opening, stopping just short of the full-extension class.
• Integrated BLUMOTION soft-close — Blum's built-in damper catches the drawer near the end of travel and settles it shut without slamming.
• 100 lb capacity per pair — handles loaded kitchen and bath drawers well above the standard economy range.
• Suits 1/2 to 5/8 inch drawer sides — compatible with dovetailed and doweled boxes built to the 554H specification.
• Works in face-frame and frameless cabinets — the same slide installs in both construction types with the appropriate rear hardware.
• Steel construction with zinc finish — roller-bearing carriage runs quietly and holds up through years of indoor use.

Where the 7/8 Extension Fits the Job

A 7/8-extension slide opens nearly the full drawer length — on a 15 inch nominal drawer, that means the contents at the back are reachable without the cost of a full-extension runner. That tradeoff suits bathroom vanities, secondary kitchen drawers, closet built-ins, and renovation cabinetry where access requirements are reasonable and budget matters. The soft-close is not a concession: BLUMOTION is Blum's same integrated damping system found across the TANDEM line, so the close is controlled and quiet regardless of the extension class.

The 15 inch length fits shallow base cabinets, upper cabinets with drawer inserts, and standard vanity drawers. Where the job calls for full access to the very back of the drawer, step to the full-extension TANDEM plus BLUMOTION line instead.

Steel, Zinc, and Roller Bearings

The 554H series runs on roller bearings in formed steel members with a zinc finish — a practical combination for a slide that spends its working life hidden under the drawer box. The zinc finish protects the steel through years of indoor service. Because the slide is concealed beneath the box, the finish is functional rather than decorative, and the roller-bearing carriage keeps travel smooth and quiet under load. The 3/16 inch side clearance between the slide and the drawer box is engineered into the 554H specification; build the box width accordingly.

Production Shops, Renovators, and Volume Installers

The TANDEM Edge occupies the space between a plain economy undermount and a full-featured premium runner. Production cabinet shops specifying concealed slides across mid-range residential jobs get Blum's manufacturing consistency and soft-close quality at a lower per-unit cost than the full-extension series. Renovators retrofitting existing cabinetry with concealed slides appreciate the face-frame and frameless compatibility in a single SKU. For installers who run high volume on standard kitchen and bath boxes, the 15 inch TANDEM Edge covers the shallow-cabinet portion of the order with the same Blum quality as the rest of the drawer hardware on the job.

Reliable Soft-Close Where Every Drawer Counts

The 15 inch TANDEM Edge delivers Blum's BLUMOTION soft-close and a 100 lb capacity in a concealed, roller-bearing runner that fits both face-frame and frameless cabinets — a dependable choice when the job demands quality hardware without the full-extension price.