100% natural and biodegradable product with rubberwood head and stiff bassine/case mixed bristles. For indoor and outdoor use wherever a hard-wearing brush is required. Compatible with 28mm (1-1/8″) dia broom handles. 110mm bristles. 100% natural and biodegradable product with rubberwood head and stiff bassine/case mixed bristles. For indoor and outdoor use wherever a hard-wearing brush is required. Compatible with 28mm (1-1/8″) dia broom handles. 110mm bristles.