For Extensions female square we offer these articles Extensions I-SQUARE RECESS L1=156mm, L2=7mm Art-No. 31597 Price/Unit net: EUR 22,79 Add to Basket: L1=6 1/8", L2=9/32", B=1/4", S=1/4" Details » Fast and Easy Inquiry » Extensions I-SQUARE RECESS L1=76mm, L2=10mm Art-No. 31601 Price/Unit net: EUR 42,93 Add to Basket: L1=3", L2=13/32", B=3/8", S=3/8" Details » Fast and Easy Inquiry » Extensions I-SQUARE RECESS L1=152mm, L2=10mm Art-No. 31602 Price/Unit net: EUR 47,74 Add to Basket: L1=6", L2=13/32", B=3/8", S=3/8" Details » Fast and Easy Inquiry » Extensions I-SQUARE RECESS L1=51mm, L2=7mm Art-No. 31596 Price/Unit net: EUR 16,01 Add to Basket: L1=2", L2=9/32", B=1/4", S=1/4" Details » Fast and Easy Inquiry »