Midget, inches
1/8 OXI4SB — 7/32 11/32 1/8 1/8 2-11/16
5/32 OXI5SB — 9/32 13/32 5/32 1/8 2-27/32
3/16 OXI6SB OXI6B 5/16 7/16 5/32 1/8 2-31/32
7/32 OXI7SB OXI7B 3/8 1/2 3/16 1/8 3-3/32
1/4 OXI8SB OXI8B 13/32 17/32 3/16 5/32 3-7/32
9/32 OXI9SB OXI9B 7/16 19/32 7/32 5/32 3-11/32
5/16 OXI10SB OXI10B 1/2 21/32 7/32 5/32 3-1/2
11/32 OXI11SB OXI11B 17/32 23/32 1/4 3/16 3-5/8
3/8 OXI12SB OXI12B 19/32 25/32 1/4 3/16 3-3/4
7/16 — OXI14B 21/32 29/32 5/16 7/32 4-1/32
1/2 — OXI16B 3/4 1-1/16 11/32 1/4 4-9/32
9/16 — OXI18B 27/32 1-5/32 3/8 9/32 4-17/32
5/8 — OXI20B 15/16 1-5/16 13/32 9/32 4-13/16
11/16 — OXI22B 1-1/32 1-13/32 7/16 5/16 5-1/16
3/4 — OXI24B 1-1/8 1-9/16 15/32 11/32 5-11/32
Flex Combination, mm
8 FHOM8B 12 17 5 146 6
9 FHOM9B 13 18 5 156 6
10 FHOM10B 14 20 5 166 6
11 FHOM11B 16 23 6 181 7
12 FHOM12B 17 30 6 198 9
13 FHOM13B 19 27 7 205 9
14 FHOM14B 20 30 7 213 9
15 FHOM15B 21 31 7 224 10
16 FHOM16B 23 33 7 229 10
17 FHOM17B 24 37 8 246 10
18 FHOM18B 24 38 8 254 11
19 FHOM19B 26 40 8 261 12
Flex Combination, inches
1/4 FHO8B 3/8 17/32 1/8 4-15/16 7/32
5/16 FHO10B 15/32 21/32 3/16 5-31/32 1/4
3/8 FHO12B 9/16 17/32 7/32 6-1/2 1/4
7/16 FHO14B 5/8 29/32 7/32 7-1/8 9/32
1/2 FHO16B 23/32 1-1/16 1/4 7-13/16 11/32
9/16 FHO18B 25/32 1-3/16 9/32 8-3/8 11/32
5/8 FHO20B 29/32 1-5/16 9/32 9 3/8
11/16 FHO22B 1 1-7/16 9/32 9-11/16 13/32
3/4 FHO24B 1-1/32 1-1/2 5/16 10-1/4 15/32
13/16 FHO26B 1-1/32 1-23/32 5/16 10-5/16 1/2
7/8 FHO28B 1-3/16 1-27/32 5/16 10-15/32 9/16
British Standard, Short Handle
3/16'' .338 WOEX6B 25/32 19/32 3/16 1/4 5-3/32
1BA .365 WOEX70B 25/32 19/32 3/16 1/4 5-1/8
0BA .413 WOEX80B 29/32 21/32 7/32 5/16 5-13/32
1/4'' .445 WOEX90B 29/32 21/32 7/32 5/16 5-15/32
5/16'' .525 WOEX100B 1-5/32 27/32 9/32 3/8 6-1/32
3/8 0.6 WOEX110B 1-5/16 15/16 9/32 13/32 6-11/32
7/16'' .710 WOEX120B 1-5/16 1-1/32 5/16 7/16 6-23/32