This set enables the installation of piston rings ranging from 73mm to 117mm Easy to use ratchet mechanism allows the user to compress the piston rings in small increments Set includes Ratcheted Pliers 6 Bands:2 7/8" to 3 1/8" 3 1/8" - 3 3/8" , 3 3/8" - 3 5/8", 3 5/8" - 3 7/8", 3 7/8" - 4 1/8", 4 1/8" - 4 3/8", 4 3/8" - 4 5/8" Metric Equivalent 73mm-80mm, 80mm-86mm, 86mm-93mm, 93mm-99mm, 99mm-105mm, 105mm -111mm, 111mm-117mm

• Ratchet lock pliers.
• 6 Bands: 2 7/8" to 3 1/8" 3 1/8" - 3 3/8", 3 3/8" - 3 5/8", 3 5/8" - 3 7/8", 3 7/8" - 4 1/8", 4 1/8" - 4 3/8", 4 3/8" - 4 5/8".
• Metric Equivalent 73mm-80mm, 80mm-86mm, 86mm-93mm, 93mm-99mm, 99mm-105mm, 105mm -111mm, 111mm-117mm.
• Time saver.
• Easy to use.