A low profile gripping device having a locking assembly attached to a base, wherein the locking assembly comprises a locking strap with pairs of fins disposed for insertion into an aperture of a buckle. The locking assembly comprises an anchor block having opposing sides, the locking strap attached to one side, and the buckle attached to the opposing side. The interface between the locking strap and the anchor block forms a creased groove for seating a flexible polymer tube or polymer coated cable. The locking strap is inserted through the aperture to secure the tube or cable in the creased groove, and the fins retain the locking strap in fixed relation to the buckle.