품명 PT PF L1 L
190-4-4 1/4 1/4 27 24
190-6-6 3/8 3/8 31 29
190-8-8 1/2 1/2 35 33
190-12-12 3/4 3/4 44 38
190-16-16 1 1 48 47
190-20-20 1-1/4 1-1/4 55 53
190-24-24 1-1/2 1-1/2 67 58
190-32-32 2 2 75 73