General description The 3 Pcs Motorcycle Engine Valve Screw Adjusting Spanner Tool set is designed for easy and efficient valve adjustment on GY6 50cc to 150cc motorcycle engines. This portable tool kit includes a square hole tool, a hexagonal hole tool, and a feeler gauge with 17 blade sizes ranging from 0.02mm to 1.00mm, making it suitable for various adjustment needs. Technical specifications Blade Sizes: 0.02mm, 0.03mm, 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.10mm, 0.15mm, 0.20mm, 0.25mm, 0.30mm, 0.40mm, 0.50mm, 0.75mm, 1.00mm Material: Metal Color: Silver Compatibility and accessories Compatible with GY6 50cc to 150cc motorcycle engines Package Contents: 1 x Square Hole Tool, 1 x Hexagonal Hole Tool, 1 x Feeler Gauge (0.02-1mm) Other information Measurement allowed error: +/- 1-3cm