1. Material: metal2. Type: conversion kit3. Suitable for use with drill chucks over 10mm4. Uses: cutting iron, cutting stones, polishing, cutting tiles5. Make sure that the pressure plate is pressed tightly when working, and do not stand beside people6. The 7-piece set includes: metal cutting blade, metal polishing blade, Mitsubishi handle, black and white pressing plate, wrench x 2, 8 piece set including: metal cutting blade, wooden piece, marble blade, Mitsubishi handle, black and white pressing plate, wrench x 2, 9-piece set contains: metal cutting discs, metal polishing discs, wooden mats, marble discs, Mitsubishi handle, black and white pressure plate, wrench x 27. Size: triangular handle diameter 10mmSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 10cm * 2.5cm / 3.94inch * 3.94inch * 0.98inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 43cm * 43cm * 21cm / 16.93inch * 16.93inch * 8.27inch Loading Container 20GP: 686 cartons * 100 pcs = 68600 pcs 40HQ: 1594 cartons * 100 pcs = 159400 pcs