U-SHAPE MAGNETS – GUPTA BRAND 8006212 Posted on February 21, 2017May 1, 2017 by admin ALINCO, with keepers. Dimensions are nominal. Supplied in card board boxes. Size Centre Gap Lifting Power 37 x 13 x 10 mm 18 mm 350 gms. 50 x 13 x 10 mm 18 mm 500 gms. 73 x 13 x 10 mm 18 mm 500 gms.