Ck triton screwdriver sets ck tools t4729 tip type marking for easy identification large soft grip tri lobe handle for exceptional comfort and high torque turns handle injection moulded directly to blade giving the ultimate bond for increased reliability and durability anti roll flats to prevent the screwdriver rolling off sloping surfaces toughened alloy steel blade for excellent durability precision machined tips to reduce the risk of tip breakage conform to en609002004 tested to 10