Size details: you will receive 30 pieces of 1/2 inch steel hose clamps, the screw hole diameter is 6.5 mm, suitable for 6M (1/4 inch) screw bolt; The inner diameter of the cable clip is 1/2 inch, suitable for 1/2 inch tool applications; Adequate quantity and proper size can meet your daily use and replacement. practical: novel clip shape and quality material with long-lasting use; Practicality makes the hose clamp easy to bend and install; You can use this useful tool in daily life easily and conveniently. Quality material: made of stainless steel and rubber, stainless steel U-shaped hose clamp can resist fading, rust, and corrosion with long-lasting use; Besides, it is firm and not easy to fall off with good flexibility, safe and convenient to protect the tube, so you can use this tool with confidence. Wide usage: the rubber insulating clamp can be widely applied to various occasions, such as automobile, industry, ship, and other wiring, cables, racks, line management and repair;