38mm ID 90 Degree Copper Elbow Pipe Fitting Connector 2pcs Loop Clamps It is made of silicone

It is made of silicone rubber which is flexible

Top adjustment type and knurled shaft for easy operate in daily use time

5 Material Plastic Color White

Used for protecting screw thread point

Just potentiometer knob

38mm ID 90 Degree Copper Elbow Pipe Fitting Connector 2pcs Loop Clamps It is made of siliconeSpecification: Product Name: 90 Degree Copper Material: Copper Copper Wall Thick : 1. 2mm Surface Treatment : Passivation Copper Fitting Diameter : 38mm 1. 5 inch ID Total Size: 65 x 65 x 40mm 2. 56" x 2. 56" x 1. 57" (L x W x H) Package Content : 2pcs x 90 Degree Copper Description: 1. Made of copper, with a high gloss surface, uniform density, not easy to broken, long service life 2. thick copper wall, corrosion resistance, high temperature and high