SIGOEI 21 Inch Bottom Mount Soft Close Drawer Slides Full Extension Concealed Rails Track 100 lb Load Capacity 1 Pair (1 Pair, 21 Inch) — Open-Box, 48% Off

1. IMPORTANT: FIT≤ 5/8" (16mm) SIDES + INSTALL SPACE REQUIREMENT Soft Close Bottom Mount Drawer Slides(With Bracket) Both frameless cabinets and framed cabinets are applicable. ONLY fits ≤5/8" (16mm) drawer sides NOT suitable for 19mm / 3/4" panels

2. CHOOSE CORRECT LENGTH Slide length must match your drawer depth (refer to size guide below) 21"(533mm) Slide →For 21"(533mm) Drawer depth | Min cabinet depth: 22"(558mm) CHECK THICKNESS + SPACE BEFORE ORDERING Can Improve Efficiency And Save Time

3. 100LB STRONG LOAD + GALVANIZED STEEL Industrial-grade galvanized cold-rolled steel Supports up to 80 lbs – no sag, no bend Perfect for kitchen pots/pans, garage tools, heavy storage

4. SILENT SOFT CLOSE + ANTI-PINCH SAFE Ultra-quiet hydraulic buffer (≤25dB – quieter than a whisper) Anti-finger pinch design – safe for kids & family Smooth gentle closing – no slamming, no damage to cabinets

5. FULL EXTENSION + EASY INSTALL + 1-YEAR WARRANTY 3-stage full extension – access every inch of the drawer Includes screws + mounting kit + clear instructions 100,000 open/close cycles tested + rust-resistant Backed by 1-year warranty – worry-free purchase

Why Choose Our Soft Close Bottom Mount Drawer Slides? Whether you’re upgrading kitchen cabinets, organizing garage tool storage, or replacing old wobbly slides, our heavy-duty under-mount drawer slides are built for performance, safety, and style. Critical Size & Space Notes (MUST READ!) Drawer Side Thickness: ONLY fits≤ 5/8" (16mm) – NOT for 19mm/3/4" panels Installation Space Requirement: Cabinet inner depth must be ≥ slide length + 1" (e.g., 12" slide needs ≥13" inner depth; 18" slide needs ≥19" inner depth) Slide Length Selection (match drawer depth): 12" Slide → For 12" Deep Drawers | Cabinet Inner Depth ≥13" (328mm) 15" Slide → For 15" Deep Drawers | Cabinet Inner Depth ≥16" (404mm) 18" Slide → For 18" Deep Drawers | Cabinet Inner Depth ≥19" (480mm) 21" Slide → For 21" Deep Drawers | Cabinet Inner Depth ≥22" (557mm) 24" Slide → For 24" Deep Drawers | Cabinet Inner Depth ≥25" (634mm) (Full size details in the "Product Specifications" section) Key Features You’ll Love Hidden Design: No exposed hardware – keeps cabinets looking sleek and tidy 100LB Load Capacity: Holds heavy kitchenware, power tools, or full file folders Silent Soft Close: Hydraulic buffer eliminates slamming noise – perfect for quiet homes Anti-Pinch Safety: Auto-deceleration when closing – protects little fingers and fragile items Easy Installation: All screws included + step-by-step guide – no professional skills needed Durable & Rust-Resistant: Galvanized steel construction + 100,000 cycles tested – built to last 20+ years Warranty & Support We stand behind our products! Enjoy a 1-year manufacturer warranty against defects, rust, or malfunctions. If you have any questions about size, space, installation, or use, our customer service team is here to help. Add to Cart Now – Upgrade your drawers with slides that combine strength, safety, and style!