3M 7000119279 Hookit Abrasive Sheet 150 Grit 3x4 in

Product Description

The 3M 7000119279 is a Hookit-compatible abrasive sheet designed for hook-and-loop random orbital and in-line sanders used in surface preparation and finishing work. Built on a C-weight paper backing, the sheet uses aluminum oxide as the abrasive mineral, which delivers consistent cut across wood, composites, fillers, and coated metal surfaces. At 150 grit, it sits in the medium-fine range, making it suitable for scuff sanding between coats or refining surfaces after coarser stock removal. An open-coat construction reduces loading, and a load-resistant coating extends usable sheet life before replacement is needed.

This sheet is intended for professional finishing trades including auto body technicians, painters, woodworkers, and general fabricators who use Hookit-style sanding systems. The 3 inches x 4 inches format fits standard Hookit hand blocks and compatible orbital pads. It performs well on flat and low-profile contoured surfaces where consistent abrasion and minimal clogging are priorities. The 150 grit rating makes it a common choice for final surface leveling before sealer or topcoat application.

Key Features

• Aluminum oxide mineral for consistent, aggressive cut across varied substrates
• C-weight paper backing provides flexibility with adequate support for hand and machine sanding
• Open-coat construction minimizes loading on resinous or soft materials
• Load-resistant coating extends abrasive life and reduces sheet consumption
• Hookit hook-and-loop attachment for fast sheet changes without adhesive
• 150 grit rating suited for between-coat scuffing and pre-finish surface prep

Compatibility

Designed for use with 3M Hookit hook-and-loop sanding blocks and compatible orbital sanders accepting 3 inches x 4 inches abrasive sheets.

Installation Notes

Attach the sheet firmly to a clean, dry Hookit pad or hand block before use, ensuring full contact across the hook-and-loop surface to prevent edge lifting. Inspect the backing pad regularly, as worn or contaminated hook material reduces sheet adhesion and can cause uneven sanding. Operate sanders at manufacturer-recommended speeds for the substrate being worked. Dispose of used sheets per local regulations if they contain sanding residue from hazardous coatings or materials.

Technical Specifications

• Grit: 150
• Abrasive Mineral: Aluminum Oxide
• Backing: C-Weight Paper
• Coat Type: Open Coat
• Sheet Size: 3 inches x 4 inches
• Attachment Type: Hookit Hook-and-Loop
• Weight per Sheet: 0.01 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 500
• UPC: 00051141281735

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000119279