This item is a resin detail parts set for use with military vehicle kits. It requires both cement and painting to complete or use.
Legend Productions is a Korean manufacturer of fine resin accessory sets and full kits. This is a multi-media conversion set that includes the turret, gun, and other parts to create a Churchill N.A. 75 tank using the Tamiya kit (sold separately, linked below). This set includes resin, PE, and turned aluminum parts, as illustrated.