Product Description 1. Fitment: Custom-fitment, this 68RFE Transmission Underdrive Molded/Bonded Piston and Retainer installation tool for Dodge, like T-3250-KM. Perfectly fits for 68RFE Transmission Underdrive Molded & Bonded Piston and Retainer installation 2. Function: Used to protect the piston from being damaged and deformed during installation and sizing. Please make sure you lube the piston and tool before install. 3. High-quality Material: Made of High-quality and higher strength PVC plastic material. The load bearing capacity and impact resistance are greatly enhanced. Anti-wear and anti-corrosion, lightweight, colorfast and years of trouble-free use. .