Jw winco – 6361010 – plastic three spoked handwheel w/retractable handle 4.92″ dia x .24″ pilot hole these thermoplastic handwheels with fold-away revolving handle are distinguished by their modern design. These handwheels are an excellent choice for applications requiring the handle to be kept out of harms way. Maximum heat resistance of nylon plastic: 110c (230f).