10 pieces in set. Stainless steel construction (band) - 410 stainless steel Jubilee/JCS style hose clamp with a 9mm band - suitable for many high corrosive environments. Butterfly screw - No need screwdriwer to tighten the clamp. The screw housing is a mechanical locking system which improves effective tightening and helps early sealing even at low torque values. It also allows the housing to resist much higher torque values before any misshape compared to other housing designs. The clamps are stamped and smooth on the inside with rolled edges to protect the hose from any damage. They have a wide application in many industries including: Agriculture, Construction, Military, Aircraft, Automotive, General Industrial Applications. Specifications: - Material: Stainless Steel (band); - Diameter: 20-35mm; - Band Width: 9mm; - 10 pieces in set; - Free Delivery;