On the other hand if after a few turns it feels like something is pushing you backward the Booster is too tight

5mm in diameter and 9

Easy to set your angle between 0

so it picks up a greater amount of wax particles during the cleaning process

this wax lasts a long time on your bases and won't rub off prematurely due to friction

Swix Rectangular Wild Boar Base Brush - T0164D PASTE & LIQUID WAX On the other hand ifThis rectangular base brush from Swix has natural wild boar bristles. This base brush is used for brushing in pure fluorocarbon waxes. It is not advisable to use this brush with fluoro and non fluorinated ski waxes. These bristles are slightly thicker than those on the horsehair brush, and have a greater ability to "brush up" the fluorinated compounds in Cera waxes for a fast, smooth glide. Wild boar base brush for skis Rectangular All natural