Thread Direction:Right Material:Alloy Steel is_customized:Yes Number of Pieces:2pcs Model Number:HSUNC51618TZ DIY Supplies:Metalworking Type:Tap & Die Set Origin:Mainland China Hampton UNC UNF UNEF UN  Right Hand Thread Tap And Die Set 2pcs HSS Hand Tap Drill Bit 5/16 3/8 7/16 1/2 5/8 3/4-18 20 24 28 40 Specification: Type: Tap and die set Material: High Speed Steel Rotation: Right Hand Size: UNEF 5l16 -32 UNEF 3l8-40 UNEF 1l2-28        UNF 5l16 -24 UNF 5l16 -20 UNF 7l16 -24 UNF 7l16 -20 UNF 1l2-20 UNF 5l8 -18 UNF 3l4 -16 UNF 3l4 -24 UNF 3l8-24 UNF 3l8-27         UNC 5l16-18 UNC 3l8-16 UNC 3l8-20 UNC 7l16-14 UNC 7l16-16 UNC 1l2-13 UNC 1l2-14 UNC 1l2-16 Note Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Including: 1pc Thread Tap+ 1pc Thread Die