(25 pcs) M10-1.5 X 32mm, DIN 653, Metric, Thumb Screws, Knurled Flat Head, Low Type, Stainless Steel
A thumb screw is designed to be turned using a thumb and finger.
Knurls on the side of the head improves the grip.
Stainless steel significantly improves resistance to tarnishing or corrosion.