BOOST products high quality stainless steel clamps for automotive coolant hoses / pipes, marine hoses / pipes and industrial applications BOOST products T-bolt clamp - stainless steel - 64-72mm High Quality stainless clamp with T-bolt and self-locking nut BOOST products stainless steel T-bolt hose clamp, best quality, corrosion resistant, for intercooler piping and hoses BOOST products Premium T-bolt hose clamp made of stainless steel. The bolt with T-bolt provides a high holding force. In addition, the bolt has a self-locking nut. This prevents the bolt from loosening. This type of clamp is well suited for charge air piping or silicone hoses. BOOST products T-bolt hose clamps are made of SS304 stainless steel. A very high quality stainless steel with high corrosion resistance. Note: The bolt is made of galvanized steel (this is needed for an impeccable function). Clamp type: T-bolt clamp Clamp width: 20mm Clamping range: 64 - 72mm Material: SS304 Stainless steel (except for the bolt) 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!