3/16
3/16 - ÆǸŰ¡ 13,000¿ø1/4 - ÆǸŰ¡ 18,000¿ø3/8 15¹ÌÅÍ - ÆǸŰ¡ 20,500¿ø3/8 30¹ÌÅÍ - ÆǸŰ¡ 28,000¿ø