The Brixwell Crank Handle is designed for window operator applications that use a 5/16" hex connection. The handle is made from plastic and finished in white for a consistent surface appearance. The overall length of the handle measures 3-3/16", allowing compact operation where limited clearance is required. This crank handle is intended for use with Roto operators and fits compatible mechanisms designed for a 5/16" hex size. The handle supports manual window operation through rotation when engaged with the operator shaft. The plastic construction allows lightweight handling during installation and use. This crank handle is suitable for replacement or new installation on compatible window operator systems using Roto hardware. Installation can be completed using standard tools following proper alignment with the operator hex connection. All listed dimensions and specifications are provided to assist with correct sizing, compatibility verification, and replacement matching for window hardware applications.