The 57 mm M1 is an American anti-tank cannon derived from the British 6-pounder cannon. Firing a small-diametre round at high velocity, the 57 mm M1 offers good close-range penetration values, but suffers at long-range combat.Really well detailled, this 3D model is at 1:16 but can be print from 1:6 to 1:35 depending your printer setting: 1/6 -> print at 266% or for 1:35 print all parts at 45,71%.2 different set of wheels are provided. Your can use biring ( type ZZ106 / 6mm / 10mm / 3mm)