*** There are many material & quality in market which price around RM3~RM12 per piece. We are not fighting market with low price low quality product, our product is good quality with reasonable medium price sold. *** Carbon Hardened Steel > 100% High Quality & Heavy Duty !! Malaysia Ready Stock > Fast Delivery !! High Tolerance milled shank provides perfect fit SDS Hammer Drill Great tools to break or drill a wall, concrete, stone or other materials. Made of high quality material, they are really durable. Suitable for all SDS plus drills.