1) easy for inflating balls, 2) easy or inserting the needle to balls, 3) 8'',12'', available, 4) good quality & good ... price. Item No.: WS-P800Description: 8'' hand pump,with a needle and a soft pipeMaterial: polyesterWeight: 80-90 gramsLength: about 200 ... '' size available in our fty 8'' hand pump,with a needle and soft pipe