This thing keeps the front bearing and bed on the Reprap Omerod clamped together. You do not need to disassemble as the Thing slides up from below. It can be used as a pair (not handed) or on its own, either clamped through the wood of the bed support, screwed through the bed from the top, or by using the third set of holes as a straight forward clamp each side of the wood. The photo shows the first option. The holes are all 3mm tapping size so a 3mm bolt will self tap, but you will need to open up to 3/3.5 mm where you need clearance. N.B. the cut outs are to allow clearance for the bed/web clamp nut and washer.Printed in PLA at 0.24mm. Best option is to print 2 and bolt through the wooden bed support web (not easy to get a drill in there under the bed)