Ronstan orbit keerblok 40 mm, auto-ratel, rechtsom

Series 40 RTA OrbitBlock™,Cheek,Clockwise Rotation... Ronstan orbit keerblok 40 mm, auto-ratel, rechtsomSeries 40 RTA OrbitBlock™,Cheek,Clockwise RotationUp to 14:1 holding power - highest available! Smooth easing of sheets . Clockwise rotation Fully automatic, load sensing ratchet engagement Recessed underside to suit curved mounting surface Low mounting points for maximum strength1 Smooth Easing of sheets With auto models the sheet runds out smoothly and freely as soon as the ratchet mechnaism disengages. When engaged, and with manual models, the sheave cross-hole geometry eliminates the 'shuddering' ease-out that you can expect from traditional v-groove ratchet blocks * Recommended fasteners - 2 x 4mm (5/32") counter sunk head screws