MG RG HG 1/100 1/144 Zaku general use Metal power tube parts MG kits need 2pcs L (Waist leg)+1pcs M (head) RG/HG kits need 2pcs M (Waist leg)+1pcs S (head)， L:diameter 5.0 mm M:diameter 4.0 mm. S:diameter 3.0 mm
Package contents: 1 set power tube (20 pcs + 1pcs spring)
