木工用大垫圈 Roun washers for wood construction ¥1.00 调整垫圈 Supporting washers ¥1.00 重型加厚平垫圈 Washers ¥1.00 宽边垫圈 Washers ¥1.00 外舌止动垫圈 Washer with external tab ¥1.00 小垫圈 Flat washers ¥1.00