1These pipe threading heads are made of high quality alloy steel, which is durable and wear?resistance for long time use. 2Each die head has four swarf removal holes. 3A long handle offers max torsion while threading to meet your basic needs in work. 4All parts are neatly packed in a storage case, convenient to carry and store. 5Apply to the threading work of galvanized pipe and iron pipe.Features:_x000D__x000D_These pipe threading heads are made of high quality alloy steel, which is durable and wear-resistance for long time use. _x000D_Each die head has four swarf removal holes. _x000D_A long handle offers max torsion while threading to meet your basic needs in work. _x000D_All parts are neatly packed in a storage case, convenient to carry and store. _x000D_Apply to the threading work of galvanized pipe and iron pipe. _x000D__x000D_Specification:_x000D_Material: Alloy steel_x000D_Weight: Approx. 4000g/141.1oz_x000D_Suite: #01 3-piece suit, #02 4-piece suit (Optional)_x000D_4-piece suit :(mm)_x000D_1/2" applicable pipe diameter range: 15-22mm_x000D_3/4" applicable pipe diameter range: 20~27mm_x000D_1" applicable pipe diameter range: 25~34mm_x000D_1-1/4" applicable pipe diameter range: 32~42mm_x000D__x000D_Package List:_x000D_4 * Threading Die_x000D_1 * Ratchet head_x000D_2 * Handle