General description Silverline Pipe Threading Kit is a 5-piece set designed for clean and accurate thread cutting on black gas or galvanised iron pipes. It features cast-iron die heads with alloy steel chasers, ensuring durability and precision. Technical specifications Includes 4 die heads: 1/2" (13mm), 3/4" (19mm), 1" (25mm), and 1-1/4" (32mm) BSPT Material: Cast iron die heads with alloy steel chasers Installation Requires suitable lubrication when cutting Usage Designed for threading black gas or galvanised iron pipes