Γυάλινο μπλοκ

80 * 50 * 12: 80 * 50 * 12mm, Normal Glass, Clear 125 * 65 * 18: 125 * 65 * 18mm, K9 Optical Glass, Clear 150 * 60 * 20: 150 * 60 * 20mm, K9 Optical Glass, Clear 114 * 63 * 19: 114 * 63 * 19mm, K9 Optical Glass, Clear 114 * 63 * 19N: 114 * 63 * 19mm, Normal Glass, Clear