OT1639
Sizes:
1/4"(6.35mm), 5/1 6"(8mm),
3/8"(9.5mm), 1 0mm, 7/1 6"(11 mm),
12mm, 1/2"(12.7mm), 13mm,
9/1 6"(14mm),5/8"(16mm), 17mm,
11/1 6"(17.5mm), 3/4"(1 9mm)
