Material: Stainless steel, Product name: Spring Threaded Insert Color: Black/Custom Size: M6 M8 M10 Shape: Round/Square/Custom

Material: PVC / Silicone rubber
Color: Red / Black / Blue / transparent 
Product classification: pipe joints / transition joints / wires etc. 
Widely used in hydraulic pipe joints, transition joints, cylinder, valve, flange and other products waterproof, dustproof and oil proof. This sheath has a variety of sizes, color red and black mainly have in stock, if the color length requirements of customers can call processing customization!

FLOOR PROTECTOR: This tube insert protect your floor from scratches 
REDUCE NOISE: This tube insert can reduce the noise, no more worry about suffering a harsh sound when moving the chairs 
EASY INSTALLATION: Each tube insert comes with ribs

Product Name: Fitness Equipment Accessories 50 To 38 Square Tube PE Sliding Sleeve For Seat And Handle Bar Post
Material: PVC 
Size: 50*120mm 
Colour: Black 
Shape: Square 
Performance: Non-scratch, Non-slip, Dust-proof, Waterproof, Rust-proof.

Product Name: Tube Insert Material: Plastic FLOOR PROTECTOR: This tube insert protect your floor from scratches REDUCE NOISE: This tube insert can reduce the noise, no more worry about suffering a harsh sound when moving the chairs EASY INSTALLATION: Each tube insert comes with ribs

Product Name: PVC End Cap Upgraded Rubber PVC material in black color, No smell,Flexibility,No splitting, and flat base designed for standing steady. Material: PVC Size: 50*50mm Colour: Black Shape: Square Performance: Non-scratch, Non-slip, Dust-proof, Waterproof, Rust-proof.