BOOST products high quality stainless steel clamps for automotive coolant hoses / pipes, marine hoses / pipes and industrial applications BOOST products Premium T-bolt clamp with spring - stainless steel - 86-94mm High Quality stainless hose clamp with spring and bolt BOOST products stainless steel spring hose clamp, best quality, corrosion resistant, constant clamping force thanks to spring BOOST products Premium spring hose clamp made of stainless steel. Thanks to the spring, a constant clamping and holding force is always guaranteed. In addition, the bolt has a self-locking nut. This prevents the bolt from loosening. These types of clamps are well suited for intercooler piping and silicone hoses, as they ensure constant strength and tightness. Unlike many other hose clamp manufacturers and suppliers, these hose clamps cannot rust. BOOST products spring hose clamps are made of SS304 stainless steel. A very high quality stainless steel with high corrosion resistance. Note: The tightening torque should not exceed 5 Nm! The bolt, spring and nut are made of galvanized steel (this is needed for an impeccable function). Clamp type: T-bolt clamp with spring Clamp width: 20mm Clamping range: 86 - 94mm Material: SS304 Stainless steel (except for the bolt, spring and nut) Please pay attention that Silicone Hoses are always measured by the Inner diameter. You have to add 8-10mm Wall Thicknesses to get the Outer diameter!