Descriptions: The most critical part of the golf club is the head. The weight, hardness, elasticity and flatness of the head will affect the ball's movement. According to different personal habit, each person has a different physiological need for the weight of the club. Features: This golf club head weight screw is made of qualified alloy, solid, firm and durable to use, ensures a long time service. The weight screw is made to maintain a good sense of comfort in use for everyone by changing the weight of the head. Perfect fit for M3 Driver Head. 5g, 8g, 9.5g, 13g are available. Great accessory for Golf players. Specifications: Condition: 100% Brand New and High Quality Material: Alloy Color: Black Quantity: 1Pc Suitable for GBB/EPIC Driver Head Size: Approx. 1.5 x 1.5 x 1cm / 0.6 x 0.6 x 0.4inch Weight: Approx. 5.5g-13.5g Package Included: 1 x Driver Head Weight Screw Package List 1This golf club head weight screw is made of qualified alloy, solid, firm and durable to use, ensures a long time service. 2The weight screw is made to maintain a good sense of comfort in use for everyone by changing the weight of the head. 3Perfect fit for M3 Driver Head. 45g, 8g, 9.5g, 13g are available. 5Great accessory for Golf players.