"This was so easy to use. So easy to slide open or close the jaws. Not sure on the plastic caps on the ends of the T Bar (the handle). These fall off very easily and could easyily be lost. Having said that, it does make it easy to remove the bar, if it gets in the way.
"lightweight clamps but more than up to heavyweight clamping tasks, you are never going to assemble regular household doors and windows with these but for the less demanding tasks like coffee tables and picture/mirror frames then these are a must buy. excellent all round"
"These are certainly not the heavy weight Record sash clamps that you could keep under the bed for self defence. However, for light to medium clamping duties they are just fine. If you have a big clamping job on and need an armful of clamps then I doubt you can find them much cheaper."
"Stable and well made product. Obviously with softer aluminium u-rail you have to be careful not to force the clamp in the wrong position or can dig in and dent. Good for lightweight clamping applications."
"Well, they do what they say on the tin. Pretty well constructed, a little bit of play until you really tighten the clamp. Light weight, so not too hard to move around. I used on a 2m x .8m x .3m bookshelf being glued-up. Worked fine."
"These are extremely lightweight and should not be sold as sash clamps.
Sure, they look like sash clamps but they're not and are only useful as 'say' a second set of hands to just hold something in place or, you like making four foot windows, out of lightweight beading for, an extremely large dolls house.
Screwfix shouldn't be selling them or if they do, rename them and explain what they're useful for (possibly, lightweight model making at best?)"
"I've used them a couple of times now and the floating end doesn't always lock, the clamp end pitches on the shaft and gets stuck, and any thing over low pressure results in the clamp twisting and deforming. I bought the 24" & 48" and wouldn't consider purchasing any more of them."
"i have about 24 of these type of clamps in different sizes, but the last 4 -48 inch ones i bought are total rubbish.when screw in or out the head keeps jamming,impossible to work with unless youve got 3 hands,i think they are a cheaper version of the original type ,but not in price. i will be taking them back"
"I bought 4 of these to clamp up a door. Two broke at the neck where the fixed screw attaches to the end of the bar, using normal hand tightening. Next time I'll buy something stronger that will last."