MONOLAMS FOR POWER SAWS Upper Lower Adaptable to most machines on the market. 1. UPPER MONOLAM 78 cm, pin diameter 12 mm. For Alpina, Robin, Efco, Kawasaki, Shindaiwa, Zenoah. CODE: 601116 2. LOWER MOUNT 78 cm, 12 mm pin diameter. For Alpina, Robin, Efco, Kawasaki, Shindaiwa, Zenoah. CODE: 601117