Eastwood Company 32469 Wolfe's Metal Shrinking Disc Kit for 4.5" Angle Grinders

The Eastwood Wolfe's Metal Shrinking Disc Kit (SD4Kit) is a professional body shop tool designed to repair overstretched sheet metal panels without excessive body filler. This kit fits standard 4-1/2" angle grinders with 5/8"-11 spindle threads and uses discs with 7/8" arbor holes.

How Shrinking Discs Work:

Shrinking discs use friction-generated heat to shrink overstretched metal back to its original surface tension. Unlike torch shrinking or stud welding, the large surface area of the disc provides controlled, gradual heat application that targets high spots while tapering off in lower areas. This prevents warping and delivers superior results with minimal guesswork.

Key Benefits:

• Repairs stretched metal panels to like-new condition with little to no body filler
• More controllable and precise than torch shrinking or stud guns
• Large surface area concentrates heat on raised areas while protecting surrounding metal
• Reduces sanding time and body shop dust
• Creates longer-lasting, higher-quality finishes
• Works on damaged panels and welded seams (Heat Affected Zones)

Typical Application:

After rough straightening and hammer-and-dolly work, make several passes with the shrinking disc while heating and cooling the metal. The disc naturally contacts only the high spots, shrinking them down to blend with surrounding areas. Repeat the process of tapping low spots and disc shrinking until the panel returns to proper contour and surface tension. For welded patch panels, use the disc to blend the Heat Affected Zone (HAZ) after stretching, creating an almost invisible seam.

Detailed instructions included with kit. Compatible with standard 4-1/2" angle grinders featuring 5/8"-11 spindle threads.