Parallel plug: T-shaped, adjustable, suitable for all common pin connections with diameters of 6mm, 8mm and 10m Made of impact resistant ABS plastic, with hardness and high strength, very resistant to wear. Fits most manual drills. Self-centering collets and adjustable fences allow precise alignment of locating pins for maximum bonding force. Enables quick and precise connection corners, edges or surface joints with dowels. The metal ring ensures precise alignment while drilling to accurately locate pins. It can be used on boards up to 1/2 to 1-1 / 4 inches thick. For the production of precisely assembled connectors, such as plywood, solid wood and particle board Product Quick clamp, self-centered on the board, for quick locating and precisely the stitching. Able to connect side to side, T and side to side. Made of impact resistant plastic. It can be used on boards up to 1/2 to 1-1 / 4 inches thick. Suitable for stud drills. Suitable for 6 drills of 8 and 10 mm. specification: Material: metal plastic Package includes: 1 x positioning device for woodworking 3 x limit ring 1 x wrench 3 x drill 30 x positioning pins 3 x Positioning Drill Note: 1. Due to manual measurement, please allow 1-3cm error. Please make sure you do not mind before you bid. 2. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Note: Due to manual measurement, please allow 0-3cm difference. Thanks for understanding. The monitor calibration method is different. The color of the product shown in the photo may be slightly different from the actual product. Please refer to our size before ordering Delivery quantity: 1 set (41 pieces)