Beam401용 스틸볼 파츠입니다.(혼합구성) <제품구성> ● Steel Ball(S) : 14s ● Steel Ball(M) : 2pcs ● Steel Ball(L) : 1pcs ● Flat Head Screw(S) : 14cs ● Flat Head Screw(M) : 2pcs ● Flat Head Screw(L) : 1pcs