1WEAR RESISTANT MATERIALS: Made of excellent brass, these bushing guides are designed for long term use and superior durability to resist wear and tear during prolonged woodworking 2SCIENTIFIC DESIGN: The bushing brass router template bushing guide kit is simple and scientific in design to improve woodworking accuracy, consistency and durability 3HIGH ACCURACY: These brass bushed guides are designed for mounting routers with cable type bases, ensuring accuracy and stability, resulting in improved overall smoothness and efficiency for woodworking tasks 4MORE SIZE GUIDE BUSHING: This brass bushing router template guide bushing is equipped with eight kinds of guide bushing size, range of 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 24mm, 30mm 5WITH ACCESSORIES: Brass router template guides set with locking nut, adapter, storage box, this variety can meet the needs of different woodworking projects 8 x Bushing Guide 2 x Locking Nut 1 x Adapter 1 x Storage Box