The SDS conversion bits holder allows hammers or percussion drill to use hexagonal shank tools. A necessity product make a drilling job much easier.<br><br><strong>Features:</strong><br>Quick and easy screwdriver bit change.<br>Spring-loaded ball bearing locks on to sockets.<br>Good quality and high precision, durable for daily use<br>High occlusion to match hammer perfectly, which greatly decrease damage to screw.<br>Allows SDS hammers, cordless drill, pisto drill or percussion drill to use the square tools.<br><br><strong>Specifications:</strong><br>Material: 40CR<br>Shank: SDS + Square head<br>Square Diameter Size: 1/2(12.7mm), 3/8(9.5mm), 1/4(6.35mm)<br>Length: 60mm / 2.36in<br>Package Weight: Approx. 105g / 3.71oz<br>Package Size: Approx. 9 * 6 * 2cm / 3.54 * 2.36 * 0.79in<br><br><strong>Package List:</strong><br>3 * Conversion Extension Rod