When searching for a reliable and durable solution for medium and heavy duty projects, consider Service Caster’s Series 35 polyurethane on metal wheel casters.
Ideal for use as an addition to your landscape, these pebbles protect the soil from temperature extremes, restrain the growth of weeds and also lend a natural look to your garden. MSI's Small Black Polished Pebbles 40 lbs. The pebbles are ideal for use near areas that are prone to washouts like under downspouts and may be used at front entrances to add a professional look..
Focus can be adjusted by using symmetrical knobs for fine adjustments, or more coarsely by vertically sliding the head along the pillar. The viewing head uses 30. The forward-oriented head places the observation stage closer to the user which is typically beneficial for delicate work using soldering or cutting instruments.