16” Radius Trail Knife | Advance Equipment MFG Co. | Stainless Steel for Feathering, Skimming & Behind Boxes | Threaded End | Model OSTR-16SS | USA Made | 100+ Years Family Owned

The Advance Equipment OSTR-16SS Radius Trail Knife is a professional-grade drywall finishing knife designed for clean feathering and effortless smoothing—especially when following behind automatic taping boxes. The threaded handle end allows for easy attachment to extension poles, making it ideal for running long flat seams or reaching higher walls and ceilings. Its 16" stainless steel blade features contoured radius edges that prevent gouging while helping you blend joints and skim coats with a flawless finish. With a comfortable ergonomic grip and balanced construction, this tool is built to support long days on the job. Trusted by pros and proudly Made in the USA, it carries on over 100 years of Advance Equipment craftsmanship.

• Made in the USA – Built with pride by Advance Equipment MFG Co., a family-owned company since 1922.
• 16” Stainless Steel Blade – Precision-ground, rust-resistant blade delivers consistent flex and smooth finishing.
• Contoured Radius Edges – Designed to feather edges and eliminate gouging, ideal for blending joints and skim coats.
• Threaded Handle End – Compatible with standard extension poles for extended reach—perfect for following behind automatic taping boxes.
• Comfort Grip Handle – Balanced, ergonomic design reduces fatigue and offers superior control on walls and ceilings. Get closer to the wall without having to hold at a weird angle.
• Pro-Grade Versatility – Ideal for drywallers and finishers working on butt joints, flat seams, and wide smooth finishes. Feathering, Skim Coating & Running Behind Automatic Boxes