d features all self centering slots

Polibi Tall LED Bookcase with Adjustable Shelves & USB Light Strip

LuxenHome 4-Shelf 58.3" x 23.62" W Wood and Metal Ladder Bookcase. Brown

Homez 23.46 in. Tall Wood 3-Shelf Etagere Bookcase

Acme Furniture 75" Brantley Bookshelf Antique Oak/Sandy Gray: Metal Frame, 7-Tier Storage, No Assembly Required

Homez 34.96 in. Tall Wood 3-Shelf Etagere Bookcase

Portgren 4-Tier Bookshelf - Brown - SEI

Rivington 38" 5 - Shelf Bookcase Cabinet with Glass Doors (Set of 3) - Manhattan Comfort

Albert Etegere - AMH6544 - Safavieh Couture

44" Nypho Bookcase - Acme Furniture

Surrey 6 Shelf 2 Hook Hall Tree - ETG2101 - Safavieh

6-Tier Corner Shelf, Small Corner Bookshelf Storage

VECELO Small Bookshelf with Metal Frame for Small Spaces, Free Standing

GDFStudio Pitman Farmhouse Wood 6-Cube Storage Bookcase with Curved Edge

Phoenix 2 Shelf Etagere - ETG6500 - Natural/Golden Brown - Safavieh

Lantine 70.9" Wooden Bookcase with 3-Tier Open Shelf and Door Cabinet, Vintage Freestanding Display Shelf for Living Room, Home Office, Rustic Brown

Jacinda Etegere - AMH1534 - Silver - Safavieh Couture

Faisal 4 Tier Ladder Shelf - STG1917 - Natural - Safavieh

Slater 4 Tier Etagere - FOX6298 - Safavieh Couture

34.13" Kurry 3 Shelves Bookshelf Sand Black - miBasics: Transitional, Open Back, Tempered Glass

GDFStudio Mathilde 78.74" Tall Industrial 7-Tier Bookshelf

24/7 Shop At Home 63.25 Lynch 5 Shelf Corner Bookcase "

Yassi 5 Tier Leaning Etagere - ETG9403 - Safavieh

Odessa Bookcase - AMH5721 - Safavieh Couture

GDFStudio Mire 6-Tier Wooden L-Shaped Corner Bookcase with Open Shelves, Anti-Drop Panle and Anti Tipping Device