BETOOLL 8pcs Petrol Engine Cylinder Compression Tester Kit Automotive Tool Gauge

Designed to measure compression within petrol engines. 16 " long hose features a push button release valve. Also come with 45° universal direct shaft & straight universal direct shaft. Corrosion resistant, Solid Brass Construction adapters. The most solid brass which means durability & leak-free. No cheap and flimsy aluminum or plastic material.Size： 18mm, 14mm, 12mm & 10mm adapters. Triple range gauge reads 0-300 psi , 0-20 bar and 0-21 kg/cm². Checking compression quickly and accurately. Durable case with soft sponge, hold the whole kit in its portable case keep it safe.