General description The 2pcs Spark Plug Wrench set includes two sizes, 16mm and 21mm, designed for efficient spark plug installation, repair, and removal across various vehicles and machines. Made from high-quality stainless steel, these wrenches are durable, wear-resistant, and feature a non-slip grip for comfortable handling. Technical specifications Material: Stainless Steel Sizes: 16mm and 21mm Grip Depth: 16mm wrench - 27mm, 21mm wrench - 25mm Socket Wall Thickness: 3mm Length: 22cm Usage Suitable for spark plug removal and installation in cars, trucks, motorcycles, CNC machines, and lawnmowers. Efficient for repairs and maintenance tasks. Other information Each wrench features a built-in rubber ring to securely lock the spark plug during operation. The T-handle design includes a 360° rotatable sleeve for access to tight spaces. Package includes: 1 x 16mm spark plug wrench, 1 x 21mm spark plug wrench.