Lisle LIS-70600 Tap Socket 5 For 8 mm. Taps Type - Tap Socket 5 For 8 mm. Taps. Fits 5&#47;16 in. and 7&#47;16 in. Fits metric 7 and 8 mm.0.323 shank diameter&#44; 0.242 sq. Size. Package Quantity: 1 Excellent Quality. Great Gift Idea.