The SiaSponge Flex Ultra-Fine Blue 10PK is built for precision finishing where a flawless surface matters most. With 500 grit aluminum oxide on an extra-soft foam core, these sanding sponges deliver ultra-smooth results on delicate surfaces and between finish coats.

Designed to flex and conform, each sponge adapts easily to curves, edges, and detailed profiles. The double-sided construction extends working life while maintaining a consistent, fine scratch pattern. Ideal for final sanding before polishing or recoating.

Features

• Ultra-fine 500 grit identified by blue color coding
• Aluminum oxide abrasive for smooth, controlled cutting
• Extra-soft foam core for maximum flexibility
• Conforms easily to curves, contours, and intricate details
• Double sided for longer service life
• Produces a refined, uniform scratch pattern
• Ideal for final sanding and between-coat preparation
• Suitable for professional and DIY finishing work

Specifications

• Product name SiaSponge Flex Ultra-Fine Blue 10PK
• Abrasive series 7983 siasponge flex
• Dimensions 3 3/4 inches x 4 3/4 inches x 1/2 inch
• Abrasive material Aluminum oxide
• Core material Extra-soft foam sponge
• Grit 500 ultra-fine
• Application Manual sanding
• Suitable surfaces Hardwood, softwood, veneer, paint, varnish, lacquer
• Pack quantity 10 sponges

Comes With

• 10 SiaSponge Flex Ultra-Fine Blue sanding sponges