The HT7 is a high-performance disc floor sander (edger) that delivers unrivalled balance and feel. The choice of professionals, the HT7 delivers the power to tackle the toughest of jobs. Precision engineered to meet the challenging demands of the tool rental, contractor and professional markets. A powerful four brush motor drives a dynamically balanced metal backed sanding pad. The drive is transmitted through a hardened steel alloy pinion and large diameter phosphor bronze drive gear that will not slip or stall when under heavy load. Motor commutation is via Hiretech's precision moulded brush block with brass brush holders and constant force brush springs ensuring a smooth, constant power delivery.