Set includes (2) 1/4 in drive pear head ratchet (sku 751.4383), (2) 3/8 in drive pear head ratchet (sku 751.4391), (2) 1/2 in drive pear head ratchet (sku 751.4409), (2) 1/2 x 3/4 in increasing Adapter (sku 751.7956), (2) 3/8 x 1/2 in increasing Adapter (sku 751.8087), (2) 3/8 x 1/4 in reducing Adapter (sku 751.8095), (2) 1/4 in x 3/8 in increasing Adapter (sku 751.8228), (2) 1/4 in drive - 3 in extension (sku 751.8236), (2) 1/4 in drive - 6 in extension (sku 751.8244), (2) 1/4 in drive universal joint (sku 751.8251), (2) 3/8 in drive - 3 in extension (sku 751.8814), (2) 3/8 in drive - 6 in extension (sku 751.8822), (2) 3/8 in drive - 10 in extension (sku 751.8830), (2) 3/8 in drive universal joint (sku 751.8848), (2) 3/8 in drive - 5/8 in spark plug socket (sku 751.9291), (2) 3/8 in drive - 13/16 in spark plug socket (sku 751.9325), (2) 1/2 in drive - 2-1/2 in extension (sku 751.9408), (2) 1/2 in drive - 5 in extension (sku 751.9416), (2) 1/2 in drive - 10 in extension (sku 751.9424), (2) 1/2 in drive universal joint (sku 751.9432), (2) 1/2 in x 3/8 in reducing Adapter (sku 751.9457).