Half Clamps attach to the back side of the workpiece and use a screw to tighten against the front edge of the workpiece.
TS20-3
$3.30 /Box of 10 Only $0.33 Each
AV10613
$13.23 /Box
AV10615
$16.34 /Box
TS20-8
AV10609
AV10608
$12.42 /Box
TS20-5
$1.60 /Box of 10 Only $0.16 Each