Lang Tools 9-Band Piston Ring Compressor - 981

Compression band sizes: 2-1/8in. 2-3/8in. 2-3/8in. 2-5/8in. 2-5/8in. 2-7/8in. 2-7/8in. 3-1/8in. 3-1/8in. 3-3/8in. 3-5/8in. 3-7/8in. 3-7/8in. 4-1/8in. 4-1/8in. 4-3/8in.
Used to compress and install piston rings
Fine-tooth ratcheting mechanism allows bands to be contracted in small increments
Set contains fine-tooth ratcheting pliers and nine different size bands