Yamoto Lock metal horizontal detector with through conveyor approx. 1220 mm long x 200 mm wide belt. The opening is approx. 250 mm wide x 80 mm high.The Serial Number is 094B4020. Model 6239. Date of manufacture is 1993. The unit also has a pnumatic reject arm. Mounted in a mild steel painted frame with adjustable feet. It is a three phase unit c/w control panel enclosed in stainless steel.