This shape adds extra support to thicker gauge plastic. The ridges provide more stable surface areas for the staple to reinforce the corner. Typical applications are for thick cornered areas and structurally load-bearing joints.
New Dent Fix 1.5 Ton Rated Fender Puller - Dent Fix DF-HD0140
Car Body Paintless Dent Removal Tap Down Tools Dent Rubber Hammer Dent Fix Tool
Car Body Paintless Dent Removal Tap Down Tool Dent Rubber Hammer Dent Fix Tool -