1)mechanical bushing 2)size:3/8" , 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 4" 3)Competitive price ... &prompt delivery Product Description Item: mechanical bushing Offer machining parts, precision parts ... , CNC lathe, CNC center machine, milling, drilling, grinding machines. 3. Surface finish: Zinc / nickel / chrome plating, hot galvanized, painting ...