1/4”, 3/8” & 1/2” Square Drive Metric Sockets Magnetic and Non-Magnetic 1/4” Square Drive — use with Extensions on page 28. METRIC SIZE mm 4 4.5 5 TYPE T T T T T T S S S S OVERALL LENGTH mm 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 25.4 25.4 NOSE END 7.2 7.9 8.7 9.1 9.1 10.2 12.7 12.7 14.3 15.9 PART NO. PART NO. BODY DIA. NON-MAG. MAGNETIC 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7 14.3 15.9 824-4 824-4.5 824-5 824-5.5 824-6 824-7 820-7 820-8 820-9 820-10 M824-4 M824-4.5 M824-5 M824-5.5 M824-6 M824-7 M820-7 M820-8 M820-9 M820-10 T 5.5 6 7 7 8 9 10 S 3/8” Square Drive — use with extensions on page 23. METRIC SIZE mm 8 10 TYPE T T T S S OVERALL LENGTH mm 31.7 31.7 31.7 31.7 31.7 NOSE END 11.9 14.3 17.5 19.1 19.1 PART NO. PART NO. BODY DIA. NON-MAG. MAGNETIC 15.9 19.1 19.1 19.1 19.1 845-8 845-10 845-11 840-12 840-13 M845-8 M845-10 M845-11 M840-12 M840-13 T 11 12 13 S 1/2” Square Drive — use with extensions on page 23. METRIC SIZE mm 13 TYPE S OVERALL LENGTH mm 38.1 NOSE END 22.2 PART NO. PART NO. BODY DIA. NON-MAG. MAGNETIC 23.7 867-13 M867-13 S Other metric sizes available by special order. 31