This is the first item's accordion body. Sperry Marine MK 37 VT Gyrocompass Sperry Marine MK 37 VT Gyrocompass with Display Sperry Marine MK 37 VT Gyrocompass with Digital Display We Supplier & Exporter of Navigation Equipment - Gyro Compass ( Tokyo Keiki ES11, SIMRAD RGC 50e, Sperry MK37 VT, Anschutz Standard STD 22, Anschutz Standard STD 20, Yokogawa CMZ 900,Yokogawa CMZ 700,Yokogawa CMZ 500, FURUNO , S G Brown Meridian, Anschutz Standard 14, Anschutz Standard 22 with accessorry, Anschutz GyrostarII, Sperry Navigate X MK1, Sperry MK37 D, Sperry Navigate X MK1 with Sensor PCB, Sperry mk37 D-E, Tokimec ES160, Sperry SR220 Master Compass, Microtechnica Polaris MKII, Yokogawa cmz700b, TOKYO KEIKI TG5000 with Control, Tokyo Keiki ES11A complete, Simrad RGC-50 a )