Handler 32KD 32KD (12”) – 31KD (10”) Diamond WheelHandler 32KD Diamond replacement wheels are available in 10 and 12 diameters. Kohinoor diamond wheels provide fast, balanced and quiet cutting of gypsum lab models. Designed for the busy laboratory that trims thousands of models, Handlers diamond model trimmer wheel includes a 3 year warranty. 31KD for Handler models 31 and 31X and most other trimmers with 10 diameter wheels 32KD for Handler models 32, 32X, 32 3 4 and most other trimmers with 12