Insertion angle: 3/8 9.5mm [recommended compatible tap] Type 1: M1-M6 Type 2: M5-M12 [Recommended 4-Corner Width] Type 1: 2.5-4.5 Type 2: 4.5-6.5 [D1] Type 1: 20.5(mm) Type 2: 26.5(mm) [D2] Type 1: 22(mm) Type 2: 23.5(mm) [L (shortest)] Type 1: 42(mm) Type 2: 48(mm) [Weight] Type 1: 85(g) Type 2: 140(g)