Protect high-value frames and corners with pre-scored ECT-32 corrugated protectors that adjust from 1/2" to 2" deep. Each case delivers 504 units that ship flat, assemble fast, and lock securely onto frame corners. Proven to reduce damage claims and freight loss.
In stock SKU FR44MD

4x4" ECT-32 Corrugated Frame Protectors - Adjustable Corner Guards, Case of 504

$85.82/ CASE
$0.17 per unit
Sold in CASE of 504
1 CASE = 504 units Total $85.82
Ships from US warehouses · Shipping calculated at checkout
  • Ships from 5 US warehouses
  • Secure checkout
  • Bulk pricing on request
Specifications
SKUFR44MD
Dimensions4" × 4" × 1/2"-2"
Material / strengthECT-32 Single Wall Corrugated
Sold asCASE of 504
BrandPackrift
Freight class175
GTIN841436088961
Shipping & returns

Packrift ships from five US warehouses (Central IL, Northeast PA, South TX, Southeast GA, West CA). The nearest warehouse with stock ships your order. Final shipping cost is shown at checkout based on weight, dimensions, and ZIP.

Oversized or high-volume orders may route via LTL freight; the freight quote is calculated live at checkout.

Shipping policy · Refund policy · Support

Best For

Good fit for products that match the listed inside dimensions, box style, board strength when shown, and bundle quantity. Confirm inside dimensions, board strength if listed, box style, assembled fit, and how much void fill or protection the item needs.

How to choose

The buying decision should be based on the exact inside dimensions, board strength when listed, style, and bundle quantity, not the category name alone. Use the current product page as the source of truth for SKU, variant, price, availability, sold-as unit, and checkout delivery.

Specs at a Glance

MaterialECT-32 Single Wall Corrugated
Dimensions4" W x 4" H x 1/2"-2" Adjustable Depth
ColorWhite
Case Quantity504 Units per Case
RecyclableYes
Common Use Cases
  • Packing ecommerce orders, replenishment shipments, parts, office supplies, or warehouse transfers.
  • Comparing box sizes for product fit, storage space, parcel cost, and reorder quantity.
  • Reordering by exact product link, SKU, or sold-as quantity.
  • Adding the item to a mixed-SKU or recurring supply request when quantity, delivery ZIP code, or timing matters.
What You'll Receive
  • This listing is sold as Case of 504. Check the current product page for variant details, price, availability, and pack count before checkout.
Shipping & Packaging

Delivery options and timing are shown at checkout based on item and destination. For larger quantities, freight-sensitive items, mixed-SKU needs, or recurring supply, send the product link or SKU, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

Frequently Asked Questions

Three factory-cut score lines allow each protector to lock at 1/2", 1", or 2" depth. Simply fold the underside flap to your target depth, and the locking mechanism grips the frame corner securely. This single SKU replaces three separate products, cutting inventory overhead.

ECT-32 (Edge Crush Test) supports standard 4-5 tier pallet stacks in temperature-controlled warehouses. For higher-stack applications or outdoor storage, consult our technical team, we offer ECT-44 and ECT-48 options.

No. Since protectors ship completely flat, they occupy negligible space until assembled on-site. A full case (504 units) fits in a 12" x 12" x 8" footprint, adding minimal cost per frame protected and improving final pallet utilization.

Yes. The rigid ECT-32 corrugated and locking corner grip are specifically engineered to prevent corner-to-corner frame movement and crushing during transit. They're industry-standard for mirror and glass-fronted art shipments.

Technical Specifications

Case Quantity504 Units per Case
RecyclableYes
Color White
Strength / Material ECT-32 Single Wall Corrugated
Dimensions (Internal) 4" × 4" × 1/2"-2" (L × W × H)

Shipping Information

Outer Carton Dimensions

4" × 4" × 1/2"-2" (L × W × H)

Unit of Measure

CASE

Qty Per Shipping Unit

504 PER CASE

LTL Freight Class

Class 175

Delivery Method

Shown at checkout

Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.

Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.

For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

ORDER SUPPORT

Product Support

Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.

Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.

Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.

Contact product support
Secure checkout LTL freight available on case/skid orders

Buyer guides

Buying notes and spec resources stay here instead of taking space above the cart.

View all guides →
Use this product as the source 4x4" ECT-32 Corrugated Frame Protectors - Adjustable Corner Guards, Case of 504

Compare resources using the current product page data: SKU FR44MD , type Boxes - Corrugated , sold-as unit CASE / pack count 504 PER CASE . Confirm the product page price, availability, and selected variant before ordering.

Related products Shop corrugated boxes

Compare inside dimensions, board grade, style, and bundle quantity.

 Product support Use the box size calculator

Use this tool when item size, void fill, or storage space affects the carton.

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