Replacement Chain Accessory Type Replacement Glass Cutter Chain Compatible with Brand Wheeler-Rex Compatible with Grainger Part Number 38L091 Compatible with Manufacturer Model Number 69012 Features Based on the Original Wheeler inSqueeze and Pop in Principle Designed to Cut Glass Tube and Brittle Tubular Materials From 1/4 in - 1 1/2 in For Use With Glass Cutters Includes (12) Pins Material Steel Overall Height 1/4 in Overall Length 3 in Overall Width 1/4 in