General description Wooster Sherlock Paint Roller Frame is a robust, heavy-duty roller frame designed for long-lasting trade use. It features a super tough green fiberglass screw fit handle that is universally compatible with all standard screw fit extension poles, as well as quick release with Wooster GT extension poles. Technical specifications Frame length: 9 inches Core diameter: 1.75 inches Shank diameter: 5/16 inches Shank type: Chrome-plated 7mm Compatibility and accessories Compatible with all 1.75-inch diameter core roller sleeves Sherlock GT® compatible Installation Quick roller sleeve release with one rap Prevents roller sleeve slide slip Usage Designed for smooth rolling and eliminates fraying and shank wear Ideal for professional and trade use