Brand: Lang Tools Manufacturer's Part Number: TU-30A Part Type: Compression Testers Product Line: Lang Tools Compression Testers Summit Racing Part Number: LAG-TU-30A UPC: 763279030030 Compression Range (psi): 0-300 Compression Increments (psi): 10 Detachable Hose: Yes Stop Valve: Yes Shaft Attachment Included: Yes Hose Length (in.): 24.000 in. Gauge Diameter (in.): 2 1/2 in. Hose Material: Rubber Hose Color: Natural Quantity: Sold as a kit. Lang Tools Compression Testers Lang Tools compression testers check help diagnose gasoline engines used in domestic and foreign cars and trucks. They come in a variety of styles， also including testers for motorcycles and small engines. Most are sold in sets with adapters， extensions， hoses， and rubber cones suited to particular engines and vehicles. Screw-in adapters have O-rings to provide professional accuracy.Other features and benefits of Lang Tools compression testers vary among specific testers and sets， but may include: * Short solid and long flex adapters* Long-reach adapters * Extensions* Vehicle manufacturer specific adapters* Side-release valve for re-testing cylinders without removing the adapter* Gauge with a dual-scale dial from 0 to 300 psi and 0 to 21 bar (200 psi and 14 bar for small engines) * Testers for engines with easy access include straight and angle adapters with universal rubber cones， plus solid and flex extensions* Motorcycle testers include long-reach adapters， an extra-long hose for the gauge to reach the handle bars， and a metal clip to attach the gauge