Central Tools 6554 6 Piece Telescoping Inside Diameter Gauge Set Satin chrome finish Includes 4349: 5/16" to 1/2", 4350: 1/2" to 3/4", 4351: 3/4" to 1 1/4", 4353: 2 1/8" to 3 1/2", 4352: 1 1/4" to 2 1/8", 4354: 3 1/2" to 6"