Brand: KTC nepros Model: NBR490 Product type: Ratchet handle / socket wrench handle Drive size: 1/2 in square drive / 12.7mm sq Gear teeth: 90 teeth Swing arc: 4 degrees Overall length: 250mm / 9.8 in Head width: 39.5mm / 1.56 in Head thickness: 19mm / 0.75 in Handle diameter: 22mm / 0.87 in Weight: approx. 610g / 21.5 oz / 1.34 lb Head type: oval head / compact ratchet head Socket retention: push-button union mechanism helps prevent accidental socket release. Repair kit: compatible ratchet head repair kit is available separately. Included: ratchet handle only, unless accessories are shown in the photos.